redlineit.co
No paid content found
Categories: Productivity
Stop chasing feedback across email, Slack, and calls. Redline gives clients one place to review designs and say yes — so projects move forward faster.
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Updated: 2026-09-23 09:11
Language: English (default)
Access: Normal
Profile views 0
Outbound visits 0
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Website Overview
The available information shows a mix of normal operation and configuration gaps. Depending on how the website is used, these gaps may affect secure access or the consistency of its public presentation.
Domain and Registration
The domain was registered less than a year ago and has limited historical evidence to assess. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is GoDaddy.com, LLC, a widely used domain service provider. The domain uses the common .co extension, which is not an independent safety signal.
DNS and Email
Nameservers are provided by GoDaddy, indicating managed DNS hosting. MX records point to the Proton Mail email service. No CNAME was found; the observed records resolve directly to addresses. SPF and DMARC are configured. DKIM status is unknown. TXT records include verification markers for Google. Such markers may also remain after a service stops being used.
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, Permissions-Policy, clickjacking protection. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray 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 cloudflare without an exact version.
Technology Stack Analysis
The public page identifies Cloudflare 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. Twitter Card metadata is configured. JSON-LD includes Organization data, helping describe the organization as an entity. The title has 58 characters, within a common display range. A meta description is present, with 150 characters.
Hosting and Email
GoDaddy
Hosting
Cloudflare
Proton Mail
Location
Frankfurt am Main, Hesse, Germany
Pages, Search and Sharing
| Meta description | Stop chasing feedback across email, Slack, and calls. Redline gives clients one place to review designs and say yes — so projects move forward faster. |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | summary_large_image |
Social Sharing Preview
8 fields
Sharing metadata
| og:type | website |
|---|---|
| og:image | https://redlineit.co/og-image-v2.png |
| og:title | Redline — design feedback that doesn't get lost |
| og:description | Pin feedback directly on live websites. Share a link, get sign-off, ship faster. |
| twitter:card | summary_large_image |
| twitter:image | https://redlineit.co/og-image-v2.png |
| twitter:title | Redline — design feedback that doesn't get lost |
| twitter:description | Pin feedback directly on live websites. Share a link, get sign-off, ship faster. |
robots.txt (opens in a new tab)
1 rules
All bots 1 allowed · 0 disallowed
All bots
/
No matching rules.
Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | GoDaddy.com, LLC |
|---|---|
| Registered | 2026-05-05 |
| Expires | 2027-05-05 |
| Domain status | clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited、clientRenewProhibited https://icann.org/epp#clientRenewProhibited、clientTransferProhibited https://icann.org/epp#clientTransferProhibited、clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited |
| Nameservers | ns19.domaincontrol.com、ns20.domaincontrol.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | redlineit.co | 185.158.133.1 | 600 | — |
| MX | redlineit.co | mail.protonmail.ch | 3600 | 10 |
| MX | redlineit.co | mailsec.protonmail.ch | 3600 | 20 |
| NS | redlineit.co | ns19.domaincontrol.com | 3600 | — |
| NS | redlineit.co | ns20.domaincontrol.com | 3600 | — |
| TXT | redlineit.co | google-site-verification=xs527RNQsVeNsvqvVCScxaVFlP4uj58pvDgehIxOLEU | 3600 | — |
| TXT | redlineit.co | protonmail-verification=dec7da9630a94e1cb38905ff8dbb7eb840036d48 | 3600 | — |
| TXT | redlineit.co | v=spf1 include:_spf.protonmail.ch ~all | 3600 | — |
| DMARC | _dmarc.redlineit.co | v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected]; | 3600 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | redlineit.co |
| Issuer | Google Trust Services |
| Valid until | 2026-11-29T15:44 · Remaining when checked: 67 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | no-cache, must-revalidate, max-age=0 |
| server | cloudflare |
| strict-transport-security | max-age=31536000; includeSubDomains |
| x-content-type-options | nosniff |
| referrer-policy | strict-origin-when-cross-origin |
Identified technologies
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