transmissionbt.com
No paid content found
Categories: Resources & Utilities
A Fast, Easy and Free Bittorrent Client For Mac, Windows and Linux
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Updated: 2026-09-22 10:12
Language: English (default)
Access: Normal
Profile views 3
Outbound visits 1
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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 2007, this domain has about 18 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain uses the common .com extension, which is not an independent safety signal.
DNS and Email
Nameservers are provided by Cloudflare, indicating managed DNS hosting. MX records point to the Google Workspace email service. DNSSEC is enabled, allowing validating resolvers to authenticate signed DNS data. CAA records restrict which certificate authorities are authorized to issue certificates. No CNAME was found; the observed records resolve directly to addresses.
TLS and Certificates
The public key uses EC with 256 bits. 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 Google Trust Services cloud or CDN ecosystem. The certificate's total validity is about 90 days, consistent with a short renewal cycle.
HTTP and Browser Security
The response lacks these common security headers: CSP, Referrer-Policy, Permissions-Policy, clickjacking protection. CORS permits any origin to read this response. This is common for public resources; sensitive responses need narrower handling. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray, x-cache, x-served-by, 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.
Technology Stack Analysis
The public page identifies Bootstrap, Cloudflare, Fastly without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
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 12 characters, within a common display range. A meta description is present, with 66 characters. The observed directives allow indexing and link following.
Hosting and Email
Cloudflare
Hosting
Fastly
Google Workspace
Location
Location unknown
104.21.27.40
Pages, Search and Sharing
| Meta description | A Fast, Easy and Free Bittorrent Client For Mac, Windows and Linux |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | Not detected |
Unknown
robots.txt (opens in a new tab)
5 rules
All bots 0 allowed · 5 disallowed
All bots
/about//appcast//donate.php//help//resources/
No matching rules.
Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | Register.ca Inc. |
|---|---|
| Registered | 2007-12-30 |
| Expires | 2026-12-30 |
| Domain status | client transfer prohibited、client update prohibited |
| Nameservers | evan.ns.cloudflare.com、kay.ns.cloudflare.com |
| DNSSEC | signed |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | transmissionbt.com | 104.21.27.40 | 300 | — |
| A | transmissionbt.com | 172.67.168.226 | 300 | — |
| AAAA | transmissionbt.com | 2606:4700:3032::ac43:a8e2 | 300 | — |
| AAAA | transmissionbt.com | 2606:4700:3034::6815:1b28 | 300 | — |
| MX | transmissionbt.com | aspmx.l.google.com | 300 | 10 |
| MX | transmissionbt.com | alt1.aspmx.l.google.com | 300 | 20 |
| MX | transmissionbt.com | alt2.aspmx.l.google.com | 300 | 20 |
| MX | transmissionbt.com | aspmx2.googlemail.com | 300 | 30 |
| MX | transmissionbt.com | aspmx3.googlemail.com | 300 | 30 |
| MX | transmissionbt.com | aspmx4.googlemail.com | 300 | 30 |
| MX | transmissionbt.com | aspmx5.googlemail.com | 300 | 30 |
| NS | transmissionbt.com | evan.ns.cloudflare.com | 86400 | — |
| NS | transmissionbt.com | kay.ns.cloudflare.com | 86400 | — |
| TXT | transmissionbt.com | v=spf1 include:_spf.google.com -all | 300 | — |
| CAA | transmissionbt.com | 0 issue "comodoca.com" | 3600 | — |
| CAA | transmissionbt.com | 0 issue "digicert.com; cansignhttpexchanges=yes" | 3600 | — |
| CAA | transmissionbt.com | 0 issue "letsencrypt.org" | 3600 | — |
| CAA | transmissionbt.com | 0 issue "pki.goog; cansignhttpexchanges=yes" | 3600 | — |
| CAA | transmissionbt.com | 0 issue "ssl.com" | 3600 | — |
| CAA | transmissionbt.com | 0 issuewild "comodoca.com" | 3600 | — |
| CAA | transmissionbt.com | 0 issuewild "digicert.com; cansignhttpexchanges=yes" | 3600 | — |
| CAA | transmissionbt.com | 0 issuewild "letsencrypt.org" | 3600 | — |
| CAA | transmissionbt.com | 0 issuewild "pki.goog; cansignhttpexchanges=yes" | 3600 | — |
| CAA | transmissionbt.com | 0 issuewild "ssl.com" | 3600 | — |
| DS | transmissionbt.com | 2371 13 2 4f385c894741c79f0e4e29c603edb7b5803aa5a630fcb214394b73caefb9f0f0 | 86400 | — |
| DMARC | _dmarc.transmissionbt.com | v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=0:1:d:s | 300 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | transmissionbt.com |
| Issuer | Google Trust Services |
| Valid until | 2026-10-28T00:29 · Remaining when checked: 35 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | max-age=600 |
| server | cloudflare |
| strict-transport-security | max-age=15552000 |
| x-content-type-options | nosniff |
| access-control-allow-origin | * |
Identified technologies
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- DNS Information
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