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topfax.net

One of the best fax apps for Android. Send a fax on the go. Fast, easy and cheap! No Fax Machine Required! No need to go to a fax store. Send any file from anywhere, anytime.

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Best Faxing App For Android - Dingtone Fax Full homepage screenshot

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What is Dingtone Fax?

Dingtone Fax is an Android app that turns a phone into a fax machine, so you can send and receive faxes without owning a fax machine, a dedicated phone line, paper, or toner. The website presents it as a mobile-first alternative for people who occasionally need to fax documents such as acknowledgements, authorizations, invoices, or contracts.

H3 How it works in practice You install the app, choose or prepare a file, and send it to a fax number. Incoming faxes arrive as notifications, and the site says past faxes remain trackable. Cover sheet templates are built in, so you select one and fill it rather than downloading a separate file. The service is aimed at sending common document formats rather than requiring a scanner and landline.

H3 Who it suits

  • Small businesses that don't want to buy or maintain a bulky fax machine.
  • Salespeople and other mobile workers who need to fax from a phone during the day.
  • Students and home users with occasional school or administrative paperwork.
  • Anyone who needs to receive time-sensitive fax notifications without delay.

H3 What to weigh The main trade-off is convenience versus control. A phone app removes hardware and lets you fax from anywhere, but you depend on the app's credits or plan and on a reliable data connection. The site mentions multiple plans and a dedicated fax number tied to one account, so check current plan details and per-page costs before relying on it for frequent or high-volume faxing. If you only fax once or twice a year, a pay-as-you-go option may be enough; if you receive faxes regularly, a plan with a dedicated number matters more.

A practical next step: install the app and send one test fax to a number you control, then check the return receipt and how credits are deducted. That single test will tell you whether the interface and pricing model fit your real usage better than any feature list.

How do I send a fax from my Android phone using this app?

You install a fax app such as the one described on Dingtone Fax, then send a document from your phone over the internet instead of using a fax machine. The page emphasizes turning your smartphone into a fax machine, so the practical flow is: install the app, give it the destination fax number, attach the file, and let the service transmit it and notify you of the result.

H3 Steps that match how these apps typically work

  1. Install the app and open it.
  2. Enter the recipient's fax number, including country code if needed.
  3. Choose or upload the file you want to send — the page mentions documents such as acknowledgements, authorizations, confirmations and contracts.
  4. Add a cover sheet if you want one; the page says templates are built in, so you select and fill rather than download.
  5. Confirm and send. The app reports back when the fax goes through; one reviewer, Kinsler Sophie, noted a return receipt in under 20 minutes.

H3 What to prepare before you start

  • The exact fax number, with any dialing prefix your country requires.
  • The file in a common format the app accepts.
  • A cover sheet with the recipient's name and your return details if the document is formal.
  • Enough credits or an active plan. One reviewer, Kinsler Sophie, said the credit and per-page pricing was not obvious, so check your balance before sending anything long.

H3 Practical notes Sending from a phone suits a salesperson working away from the office or a student faxing paperwork, both situations described in the page's reviews. Receiving works the same way in reverse: the app holds incoming faxes so you can view and track them later.

If your document is confidential, remember that a phone-based fax still travels over a network rather than a dedicated line. For a one-off urgent page, the app is usually faster than finding a fax store; for a high volume of long documents, compare the per-page cost against a monthly plan first.

Can I receive faxes on my smartphone without a fax machine?

Yes — receiving a fax on a smartphone is exactly what a mobile fax app is built for. Instead of a physical fax machine, paper, toner and a dedicated phone line, the app gives your phone a fax number and delivers incoming faxes to it as digital documents. Dingtone Fax describes this directly: you get a dedicated fax phone number, receive faxes without delay, and can track past faxes in the app.

H3 What you actually need

  • A smartphone with the app installed
  • An account, usually tied to a fax number provided with your plan
  • A data or Wi-Fi connection
  • A way to view or save the received file (PDF or image), so you can forward, print or store it

H3 When this works well

  • You're mobile or away from the office and a client, insurer, clinic or school insists on fax rather than email.
  • You receive a handful of faxes a month and don't want a landline just for that.
  • You want a searchable history of what arrived, rather than paper stacking up.

H3 Where it's less ideal

  • Very high volume: per-page or credit-based pricing can get awkward, and a reviewer on the site (Kinsler Sophie) said they didn't fully understand how credits and price per page worked even after a successful send. That's a signal to check the plan terms before relying on it for regular traffic.
  • Legal or compliance contexts where a specific delivery method or retention rule is required — confirm with the sender's requirements first.
  • Anyone who needs to hand a signed original back immediately; a phone can receive and view, but not produce paper without a printer.

H3 Practical next step Before committing, send one test fax to your new number from a different fax source and confirm it arrives, opens and is legible. Then decide between a pay-as-you-go credit model and a subscription with an included number, based on how many pages you expect per month. If you'd rather compare alternatives, look at HelloFax or Fax.Plus for their plan structures.

The short answer: yes, and for occasional personal or small-business receiving, a phone-based fax number is a reasonable replacement for a fax machine — just verify the pricing model against your volume.

What types of files can I fax with Dingtone Fax?

Dingtone Fax is designed to send common document formats from your phone, so you are not limited to paper originals. According to the page, it is "compatible with multiple formats from documents like Acknowledgements, Authorizations, Retirement, Confirmations, etc." In practice, that means you should expect to fax standard office and PDF-style documents — contracts, invoices, signed forms, authorizations and similar paperwork — by selecting the file in the app rather than printing it first.

What this means for different users

  • Small business owners: Invoices, contracts, purchase orders and signed agreements can be sent from the same phone you already use, which the page positions as an alternative to a bulky fax machine.
  • Sales and field staff: One reviewer, Ruby Wilson, describes working from a phone all day without access to a fax machine; the app suits order forms and confirmations that need a quick signature loop.
  • Students and administrative users: Another reviewer, Zickler Rod, mentions using it for school work. Transcripts, enrollment forms and permission slips are typical candidates.
  • Anyone handling sensitive paperwork: The page highlights invoices and contracts as files you may want to protect during faxing, which is the main reason people still choose fax over email for some documents.

A practical check before you send

The page does not list exact supported file extensions, so confirm the format inside the app before relying on it for an unusual file type. A sensible next step is to test with one real document you send often — a signed contract or invoice — and check the return receipt. One reviewer, Kinsler Sophie, noted a return receipt arriving in under 20 minutes, which is the confirmation you want before trusting the app with a deadline.

Decision criterion

If your faxes are mostly PDFs, scans and office documents, this app covers the typical case. If you regularly need to fax something unusual — a CAD drawing, a large media file or a specialized format — verify compatibility first rather than assuming. For general background on how internet faxing works, see Fax Authority.

How much does it cost to send a fax with Dingtone Fax?

Dingtone Fax does not publish a single flat rate for sending a fax. The site only says that fax plans are available to "fit for all budgets" and that one account covers a dedicated fax number and multiple faxes. The actual cost depends on the plan and the number of pages you send, so you need to check the current in-app or website pricing before you commit.

If you want a concrete way to decide, look at how you'll use it:

  • Occasional one-off faxes (a lease, a school form, a signed authorization): a small credit pack is usually the cheapest route, but watch the per-page rate, since cost scales with page count.
  • Recurring business faxing (invoices, contracts, confirmations): a monthly plan with a dedicated number is likely more economical than buying credits repeatedly.
  • International destinations: rates often differ from domestic sends, so confirm the destination country before sending.

One reviewer on the page, Kinsler Sophie, noted being impressed by a return receipt arriving in under 20 minutes but admitted, "I don't quite understand how the credits and price per page works." That's a practical warning: credits and per-page charges are separate concepts, so estimate your typical page count first, then compare that total against a monthly plan.

Next step: open the app's plan or pricing screen, note the per-page rate and any included pages, and multiply by the number of pages you send in a typical month. If that total is close to or above a subscription price, choose the plan. For comparison, mainstream alternatives with published rates include Fax.Plus and HelloFax.

Is it safe to send sensitive documents like contracts through this fax app?

Yes, with the right plan and habits — but "safe" here means encrypted transmission and a tracked receipt, not the physical security of a machine sitting in your own office. According to the page, Fax (Dingtone Fax) sends files from your phone over the app and keeps a record of past faxes, so you get a delivery trail instead of a paper confirmation slip. The page also notes that important files "should be faxed from a personal fax machine but it isn't available always," which is the honest framing: the app is a substitute for owning that machine, not a stronger version of it.

H3 What actually protects a contract

  • The fax travels as data from the app rather than through a shared office machine, so no one else's pages get mixed with yours and no one reads your document while standing at the machine.
  • Receiving on a dedicated fax number, which the page says comes with the account, means documents arrive addressed to you rather than to a front desk.
  • Delivery and return receipts give you proof of when the fax landed, which matters if a deadline is disputed.
  • A cover sheet template with your name, recipient and page count reduces the chance of a page being mislaid at the far end.

H3 Where the risk actually sits The weak point is rarely the app. It is the receiving fax machine — often a shared one in a clinic, law office or hotel business centre, where your contract sits in an output tray. If the recipient's machine is in a public spot, encryption on your side changes nothing. The other gap is retention: the page says past faxes are "memorable and trackable," which is useful for you and equally useful to anyone who gets into your phone. Lock the device with a PIN or biometrics, and delete old faxes once the deal closes.

H3 Deciding whether to use it Use the app when the recipient insists on a fax number, when you are travelling, or when a signature page needs to arrive today. Send by secure email or a client portal instead when the other side offers one, since you avoid the shared-machine problem entirely. For a genuinely confidential document, call the recipient first and ask where their fax machine sits.

One practical check before you send anything sensitive: send a one-page test to the same number, confirm the receipt, and ask the recipient to confirm where the paper came out. Reviewers on the page describe quick return receipts — Kinsler Sophie writes that it took under 20 minutes to get one — which is the evidence you want on file for a contract deadline.

Related questions

More questions →
What Are the Benefits of Dingtone Fax Compared to a Traditional Fax Machine?

Dingtone Fax (topfax.net) replaces the fax machine, paper, ink toner, and dedicated phone line with a single Android app, so you can send and receive faxes from your phone wherever you are. That trade-off makes sense if you fax occasionally or work away from a fixed office; it makes less sense if you send high volumes daily and already have a machine that works.

What a traditional fax machine requires

A conventional fax setup depends on several things being in place at once:

  • A physical fax machine
  • Paper and ink or toner
  • A dedicated phone line
  • A fixed location where the machine sits

If any one of these is missing — you're traveling, the line is busy, the toner runs out — you can't fax. Dingtone Fax's site frames its whole pitch around this: "Everyone Needs Fax, Not a Fax Machine!"

Benefits of faxing from the app

No hardware or supplies

The site states you don't need a fax machine with paper, ink toner, and a dedicated phone line. Your smartphone becomes the fax device, so there's nothing to buy, refill, or maintain.

Send and receive from anywhere

Dingtone Fax is built for sending faxes on the go — "Send any file from anywhere, anytime," per the site description. The page highlights sending and receiving "at any time and place," which suits mobile work like sales, field jobs, or school tasks where you don't have access to an office machine.

Works with common document types

The site says the app is compatible with multiple formats, naming documents such as acknowledgements, authorizations, retirement paperwork, and confirmations. It also positions itself for sensitive files like invoices and contracts, describing the phone as a "personal fax machine" for those documents.

Built-in cover sheet templates

Instead of downloading a template separately, the app provides a set of fax cover sheet templates. You select one and fill it in — useful when a recipient expects a cover page.

Notifications and fax history

The site says important fax notifications shouldn't be missed and that the app lets you receive faxes without delay, with past faxes trackable. One reviewer backs this up with a concrete detail: it took "less than 20 minutes" to get a return receipt confirming the fax was sent.

One account, multiple faxes

Dingtone Fax describes a single account covering numerous faxes and a dedicated fax phone number, with multiple plans "fit for all budgets." The exact plan tiers and prices aren't specified on the page, so check the app or site for current options before committing.

What users say

The testimonials on the page come from small-business owners, a salesman, and a student. Recurring points:

  • Cost-efficient and a good alternative to a bulky machine for a small business
  • Straightforward and simple to use
  • Handy options like including a cover page
  • Saves time on school and work tasks

One reviewer adds a caveat worth noting: "I don't quite understand how the credits and price per page works, but the mission is complete with credits remaining." If per-page billing matters to you, clarify how credits are consumed before you rely on the app for large jobs.

When the app is the better choice

Situation Better fit
Occasional faxes, mobile work, no office machine Dingtone Fax
No space or budget for hardware and a phone line Dingtone Fax
Need a cover sheet quickly Dingtone Fax (built-in templates)
High daily volume with an existing working machine Traditional fax machine may still be simpler
You want predictable per-page costs up front Confirm credit and per-page pricing first

The core benefit is removing the equipment and location constraints of a fax machine while keeping the ability to send and receive documents. The main thing to verify before switching is how credits and per-page pricing work for your volume.

What Are the Fax Plans and Pricing Options for Dingtone Fax?

Dingtone Fax (topfax.net) advertises "multiple fax plans fit for all budgets," but the site itself doesn't publish specific prices or plan tiers. What it does confirm is that one fax account covers numerous faxes, includes a dedicated fax phone number, and is positioned as a cheap alternative to owning a fax machine. If you need exact numbers, you'll have to check the app or the official pricing page — the marketing site only describes the structure, not the rates.

What the site actually says about plans

The page's pricing-related claims are limited to a few points:

  • Multiple plans for different budgets — the site states there are several fax plans, without listing names, page limits, or prices.
  • One account, many faxes — a single Fax account is described as covering "numerous faxes," so you're not buying per-document access.
  • A dedicated fax phone number is included — the site says one purchase "covers a dedicated fax phone number," which is what lets you receive faxes rather than only send them.
  • Positioned as low-cost — the copy repeatedly frames the app as "fast, easy and cheap" compared with a fax machine, paper, toner, and a dedicated phone line.

No dollar amounts, subscription lengths, or free-tier details appear on the page, so any figure you see elsewhere should be verified in the app before you commit.

How the credit and per-page system appears to work

The site doesn't explain billing mechanics, but a user testimonial on the page gives a useful clue. One reviewer (Marilyn Richards) wrote that it took under 20 minutes to get a return receipt confirming the fax was sent, and added: "I don't quite understand how the credits and price per page works, but the mission is complete with credits remaining."

That tells you two practical things:

  1. Billing appears to run on a credit system tied to page count, not a flat unlimited fee.
  2. Credits can be left over after a send, so a purchase isn't necessarily consumed in one fax.

Because the site never defines the credit-to-page ratio, treat this as a pattern to confirm in the app rather than a fixed rate.

What's included beyond the plan price

Whatever the plan costs, the page indicates these features come with the account:

Feature What the site says
Dedicated fax number Included with one purchase
Send and receive Both directions supported
File formats Compatible with documents like acknowledgements, authorizations, retirement and confirmation forms
Cover sheets Multiple templates available in-app, no download needed
Fax history Past faxes are "memorable and trackable"
Notifications Incoming fax alerts, described as without delay

How to find the current price

Since topfax.net doesn't publish rates, the reliable path is:

  1. Open the Dingtone Fax app on your Android device.
  2. Go to the plan or credits purchase screen — this is where tiers and per-page costs are shown.
  3. Compare the credit cost against the number of pages you typically send, since billing appears page-based.
  4. Check whether the dedicated fax number is bundled into the plan you're considering or sold separately.

Who this fits

The plan structure suits occasional or small-business senders who don't want a fax machine, a phone line, or a trip to a fax store — the site explicitly targets people faxing invoices, contracts, and sensitive documents from a phone. It's less clearly suited to anyone who needs a published, predictable per-page rate before signing up, because that number isn't on the site. If cost certainty matters most, confirm the credit-to-page math in the app first; if convenience matters most, the bundled number and cover-sheet templates are the main draws.

How to Send a Fax from an Android Phone with Dingtone Fax

Dingtone Fax (topfax.net) turns an Android phone into a fax machine, so you can send a fax without a physical fax machine, paper, ink toner, or a dedicated phone line. The basic flow is: install the app, upload the file you want to fax, enter the recipient's fax number, optionally attach a cover sheet, and send. You'll then get a notification or return receipt confirming the fax went through. This suits anyone who needs to fax documents like contracts, invoices, acknowledgements, authorizations, or confirmations from wherever they are.

What you need before you start

  • An Android phone with the Dingtone Fax app installed.
  • The file you want to fax, in a supported document format. The site says the app is compatible with multiple formats, including documents such as acknowledgements, authorizations, retirement paperwork, and confirmations.
  • The recipient's fax number.
  • A fax plan or credits. The site lists "Multiple Fax Plans Fit for All Budgets" and mentions that one account covers a dedicated fax phone number and numerous faxes, but it does not publish specific prices on the page. Check the app or site for current plan details before sending.

Step-by-step: sending a fax

  1. Install and open the app. Download Dingtone Fax on your Android device and open it. The site's call to action is "Download to Fax from Phone."
  2. Select or upload your file. Choose the document you want to send. The app accepts multiple document formats, so you can fax files you already have on your phone rather than printing them first.
  3. Enter the recipient's fax number. This is the destination fax number the document will be sent to.
  4. Add a cover sheet (optional). The app provides multiple fax cover sheet templates you can select and fill in without downloading anything separately. This is useful when the recipient needs context such as who sent the fax and what it contains.
  5. Send the fax. Confirm and send. The app handles the transmission from your phone.
  6. Check your confirmation. The app keeps you informed by fax notification and provides a return receipt. One user review on the site notes it took less than 20 minutes to receive a return receipt stating the fax was sent.

What you can expect

  • Send and receive: The app supports both sending and receiving faxes, so it works as a two-way fax line, not just an outbound tool.
  • Tracking: Past faxes are described as memorable and trackable, so you can look back at what you sent.
  • Cover sheets: Templates are built in, which saves time on documents that need a cover page.
  • No hardware: You don't need a fax machine, paper, toner, or a separate phone line.

Common sticking points

  • Credits and per-page pricing. One reviewer said they didn't fully understand how credits and price per page work, even though the fax sent successfully. If cost matters to you, review the plan and per-page details in the app before sending a large document.
  • Delivery time varies. The same reviewer saw a return receipt in under 20 minutes. Fax delivery isn't always instant, so don't assume it arrives the second you hit send.
  • Plan details aren't on the page. The site says plans fit all budgets and that one account covers a dedicated fax number, but it doesn't list prices. Confirm current pricing and what each plan includes inside the app or on the site.

Who this is for

Dingtone Fax fits small businesses that don't want a bulky fax machine, salespeople who work from their phone and rarely have access to a fax machine, and students or anyone who needs to fax documents occasionally. If you send or receive faxes regularly and want a dedicated fax number tied to one account, the multi-fax plan structure is the relevant option to check.

Is Dingtone Fax Secure for Sending Sensitive Documents?

Dingtone Fax (topfax.net) is positioned as a way to send sensitive documents—invoices, contracts, authorizations—directly from your phone instead of using a shared fax machine at a store or office. The site's core security argument is about where the fax originates: your own device, acting as a "personal fax machine," rather than a public machine that others can access. That addresses one real risk (documents left in a shared tray or seen by staff), but it does not, by itself, tell you how your data is encrypted, stored, or retained. For that, you need the app's privacy policy and terms, which the homepage does not summarize.

What the site actually claims about security

The relevant points from the page are limited and mostly about convenience and control:

  • "Fax Important Files Safe and Fast" — the page says important files "should be faxed from a personal fax machine," and that the app turns your mobile into one "to protect your important or sensitive files during faxing like invoice, contracts, etc."
  • "Send and Receive Faxes at Any Time and Place" — no fax machine with paper, ink toner, or a dedicated phone line is required.
  • "Keep You Informed by Fax at First Second" — fax notifications and a trackable history of past faxes.

What this establishes: you avoid physical exposure at a public fax machine, and you get delivery confirmation (one reviewer notes a return receipt arrived in under 20 minutes). What it does not establish: end-to-end encryption, data retention periods, or whether fax content passes through third-party servers. Those are the details that determine whether a fax is genuinely secure, and they live in the privacy policy, not the marketing page.

How to judge whether it fits your document

Faxing is often chosen precisely because it avoids email attachments and cloud storage. If that's your reason, the origin of the fax matters as much as the transmission:

Consideration Why it matters What to check
Where the fax is sent from A personal device avoids shared-machine exposure Confirmed by the site: app acts as your personal fax machine
Delivery confirmation You need proof the recipient received it Site claims real-time notifications and trackable history
Data handling Determines if content is stored or shared Not covered on the homepage — read the privacy policy
Recipient's setup A fax to a landline fax machine is a different path than fax-to-email Confirm how the recipient receives faxes

Practical steps before faxing something sensitive

  1. Read the privacy policy and terms linked from the site or app store listing. Look specifically for: encryption in transit, retention of fax content, and whether data is shared with third parties. The homepage alone doesn't answer this.
  2. Confirm the recipient's fax number and format. The site says it's compatible with multiple document formats (acknowledgements, authorizations, confirmations, invoices, contracts).
  3. Use a cover sheet. The app provides cover sheet templates you select and fill in — useful for labeling who sent what and to whom.
  4. Keep the confirmation. The trackable history and return receipt are your record that the fax was delivered.
  5. For highly regulated documents (medical, legal, financial), check whether your own compliance requirements accept a third-party fax app at all — that's a policy question the app can't answer for you.

The honest limitation

The site's security message is essentially "don't use a public fax machine." That's a legitimate improvement for many small-business and personal use cases—one reviewer describes using it for school work and small-business faxing without a bulky machine. But "secure" for sensitive documents depends on backend practices the homepage doesn't disclose. Treat the app as a convenient, private-origin fax tool, and verify its data handling against your own requirements before sending anything you'd consider confidential.

What is topfax.net (Dingtone Fax)?

topfax.net is the website for Dingtone Fax, an Android fax app that lets you send and receive faxes from a smartphone instead of a fax machine. It fits people who need to fax documents occasionally or on the go — small business owners, salespeople, students — and who don't want to buy a machine, paper, ink toner, or a dedicated phone line. You need an Android device and a fax plan to use it; the site presents it as a paid app with multiple plans rather than a free service.

What the service does

The core idea, as the site puts it, is "Everyone Needs Fax, Not a Fax Machine!" — turn your phone into a fax machine with one app.

  • Send faxes from your phone, from anywhere, at any time.
  • Receive faxes without delay, with past faxes kept trackable.
  • Fax files in multiple formats, including documents like acknowledgements, authorizations, retirement paperwork, and confirmations.
  • Use fax cover sheet templates built into the app — the site says you select a template and fill it in, with no download needed.

Main features

Feature What it means for you
Send and receive Fax from your phone instead of a physical machine
File format support Handles several document types, not just one
Cover sheet templates Ready-made templates you fill in inside the app
Fax notifications Alerts so important incoming faxes aren't missed
Fax history Past faxes are stored and trackable
Multiple plans One account covers a dedicated fax number and ongoing fax needs

Who it's for

The site's own testimonials point to a few clear user types:

  • Small business owners who don't want a bulky fax machine.
  • Salespeople who work from a phone all day and rarely have access to a fax machine.
  • Students who need to fax school paperwork.
  • Anyone who needs to send sensitive files like invoices or contracts but doesn't always have a personal fax machine nearby.

Things to know before you start

  • It's Android-focused. The site describes it as one of the best fax apps for Android, so check device compatibility first.
  • Plans are paid. The site lists "multiple fax plans fit for all budgets" and mentions credits and a price per page in a user review, but the input doesn't state exact prices — check the app or site for current pricing.
  • One account, many faxes. A single purchase covers a dedicated fax number and your fax activity, according to the site.
  • Cover sheets are built in, which saves a step if you fax formal documents regularly.

If your main need is sending the occasional fax from a phone without owning a machine, Dingtone Fax is built for exactly that. If you need high-volume faxing or desktop integration, compare plan limits and page costs before committing.

Website Overview

An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.

Domain and Registration

Registered in 2020, this domain has about 6 years of history. That suggests continuity, although ownership and purpose may have changed. The domain uses the common .net extension, which is not an independent safety signal.

DNS and Email

The observed email authentication setup is incomplete: DMARC is missing. The lowest TTL is 60 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by Amazon Route 53, indicating managed DNS hosting. DNS and provider evidence indicate traffic passes through the Amazon CloudFront CDN, which may support caching and traffic distribution. MX records point to the Microsoft 365 email service.

TLS and Certificates

The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued within the Amazon cloud or CDN ecosystem. The certificate is valid for about 393 days in total, with 103 days remaining.

HTTP and Browser Security

The response lacks these common security headers: CSP, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The x-cache, via response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers. The Server header identifies nginx without an exact version.

Technology Stack Analysis

The public page identifies Next.js, Google Analytics, Amazon CloudFront, nginx without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

The meta description has 174 characters and may be shortened in search results. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. No Open Graph metadata was detected, so social previews may depend on platform inference. The title has 42 characters, within a common display range. The observed directives allow indexing and link following.

Hosting and Email

DNSAmazon Route 53
HostingAmazon CloudFront
EmailMicrosoft 365
Approximate IP geolocation (inferred; a CDN or proxy may differ from the origin server) United States flagUnited States Inferred 3.170.3.110

Registration details

RDAP / WHOIS

RegistrarAmazon Registrar, Inc.
Registered2020-01-07
Expires2027-01-07
Domain statusactive
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DNSSECunsigned

DNS records

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AAAAd297eus0bf6e9c.cloudfront.net2600:9000:286a:6c00:5:2fc2:2c00:93a160—
AAAAd297eus0bf6e9c.cloudfront.net2600:9000:286a:6e00:5:2fc2:2c00:93a160—
AAAAd297eus0bf6e9c.cloudfront.net2600:9000:286a:9c00:5:2fc2:2c00:93a160—
AAAAd297eus0bf6e9c.cloudfront.net2600:9000:286a:ec00:5:2fc2:2c00:93a160—
MXtopfax.nettopfax-net.mail.protection.outlook.com36000
NStopfax.netns-1454.awsdns-53.org172800—
NStopfax.netns-1911.awsdns-46.co.uk172800—
NStopfax.netns-459.awsdns-57.com172800—
NStopfax.netns-551.awsdns-04.net172800—
TXTtopfax.netv=spf1 include:spf.protection.outlook.com -all3600—
CNAMEwww.topfax.netd297eus0bf6e9c.cloudfront.net300—

TLS and certificates

TLS / SSL

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subject*.topfax.net
IssuerAmazon
Valid until2027-01-12T23:59 · Remaining when checked: 103 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HTTP

HeaderValue
content-typetext/html
servernginx
strict-transport-security: max-age=31536000; includeSubDomains
x-frame-optionsDENY

Identified technologies

Next.jsGoogle AnalyticsAmazon CloudFrontnginx

Pages, Search and Sharing

Meta descriptionOne of the best fax apps for Android. Send a fax on the go. Fast, easy and cheap! No Fax Machine Required! No need to go to a fax store. Send any file from anywhere, anytime.
Canonical URLNot detected
LanguageEnglish (default)
Twitter CardNot detected

Unknown

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  • Disallow/contact.html
  • Disallow/privacy.html
  • Disallow/terms.html
  • Disallow/404.html
  • Disallow/blog/how-to-file-for-unemployment-assistance-in-all-states/feed/
  • Disallow/blog/author/topfax-team/feed/
  • Disallow/category/uncategorized/feed/
  • Disallow/how-to-fax-without-a-landline/feed/
  • Disallow/author/fax-team/feed/
  • Disallow/blog/how-to-fax-without-a-fax-machine/feed/
  • Disallow/comments/feed/
  • Disallow/index.html
  • Disallow/?*

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