Domain report
mailsuite.com
mailsuite.com ranks in the top 0.090% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.090%
- Hosts observed
- 3
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://mailsuite.com/ answered with HTTP 200.
DNS records
- A
- 176.34.139.167
- 52.51.118.159
- 52.49.64.186
- AAAA
- No records found.
- MX
- 1 aspmx.l.google.com.
- 1 smtp.google.com.
- 10 alt3.aspmx.l.google.com.
- 10 alt4.aspmx.l.google.com.
- 5 alt1.aspmx.l.google.com.
- 5 alt2.aspmx.l.google.com.
- NS
- ns-1104.awsdns-10.org.
- ns-1981.awsdns-55.co.uk.
- ns-348.awsdns-43.com.
- ns-574.awsdns-07.net.
Live preview
This site sends "X-Frame-Options: deny", which blocks embedding it here.
Since mailsuite.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.
Domain registration (WHOIS / RDAP)
RDAP lookup failed (HTTP 429).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=UTF-8
- Cache-Control
- max-age=0, must-revalidate, private
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- default-src https: blob: 'unsafe-inline' https://*.hotjar.com:* https://*.hotjar.io:* wss://*.hotjar.com *.crazyegg.com https://mailtrack.me ; script-src 'self' 'unsafe-inline' https://dev.visualwebsiteoptimizer.com https://www.google-analytics.com https://embed.typeform.com https://d5phz18u4wuww.cloudfront.net https://cdnjs.cloudflare.com https://seal.digicert.com https://js.stripe.com https://www.googleadservices.com https://billing.quaderno.io https://www.gstatic.com https://s3-eu-west-1.amazonaws.com https://snap.licdn.com https://px.ads.linkedin.com https://www.linkedin.com https://d1fc8wv8zag5ca.cloudfront.net https://*.hotjar.com https://cdn.jsdelivr.net/gh/snowplow https://connect.facebook.net https://www.googletagmanager.com https://*.cookiebot.com *.crazyegg.com https://analytics.tiktok.com https://mailtrack.me ; img-src 'self' data: https://dev.visualwebsiteoptimizer.com https://www.google-analytics.com https://stats.g.doubleclick.net https://www.google.es https://www.google.com https://mailtrackio.typeform.com https://www.googleadservices.es https://www.googleadservices.com https://googleads.g.doubleclick.net https://seal.digicert.com https://billing.quaderno.io https://s3-eu-west-1.amazonaws.com https://dc.ads.linkedin.com https://d1ptrxl5bj7757.cloudfront.net https://analytics-v2.mailtrack.io https://px.ads.linkedin.com https://www.linkedin.com https://www.facebook.com/tr/ https://www.facebook.com/privacy_sandbox/ https://www.googletagmanager.com https://templates-images-dev.s3.eu-west-1.amazonaws.com https://templates-images-prod.s3.eu-west-1.amazonaws.com https://*.cookiebot.com *.crazyegg.com https://mailtrack.me https://mt-video-dev.s3.eu-west-1.amazonaws.com https://mt-video-prod.s3.eu-west-1.amazonaws.com https://maildoc-dev.s3.eu-west-1.amazonaws.com https://maildoc.s3.eu-west-1.amazonaws.com https://mailtrack.zendesk.com ; object-src 'none'; font-src 'self' https://fonts.gstatic.com https://netdna.bootstrapcdn.com https://cdnjs.cloudflare.com https://s3-eu-west-1.amazonaws.com https://mailtrack.me ; worker-src blob: https://mailsuite.me https://mailsuite.com ; media-src 'self' data: blob: https://mailtrack.me https://mt-video-dev.s3.eu-west-1.amazonaws.com https://mt-video-prod.s3.eu-west-1.amazonaws.com ;
- Strict-Transport-Security
- max-age=31536000;
- X-Frame-Options
- deny
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://mailsuite.com/HTTP 301→ https://mailsuite.com/
- 2.
https://mailsuite.com/HTTP 302→ https://mailsuite.com/en/
- 3.
https://mailsuite.com/en/HTTP 200
Meta tags
- Title
- Email Tracker for Gmail — Mailtrack® by Mailsuite
- Description
- Mailtrack® by Mailsuite — the original email tracker for Gmail since 2013. Free, unlimited read receipts with double check marks (✓✓). 14M+ users.
- Canonical
- https://mailsuite.com/en/
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- Not set
- Open Graph description
- Not set
- Open Graph image
- Not set
- Open Graph type
- Not set
- Twitter card
- Not set
- Twitter title
- Not set
- Twitter image
- Not set
robots.txt
- Disallow rules (User-agent: *)
- 10
- Disallow rules (other agents)
- 0
Sitemap declared:
https://mailsuite.com/sitemap.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Google Tag Manageranalytics
Found "googletagmanager.com/gtm.js" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.