Domain report
http.cat
http.cat ranks in the top 0.32% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.
Connectivity
- Top percentile
- 0.32%
- Hosts observed
- 1
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://http.cat/ answered with HTTP 200.
DNS records
- A
- 104.21.77.53
- 172.67.204.170
- AAAA
- 2606:4700:3033::ac43:ccaa
- 2606:4700:3032::6815:4d35
- MX
- No records found.
- NS
- rayden.ns.cloudflare.com.
- zariyah.ns.cloudflare.com.
- AS
- Server in network CLOUDFLARENET, AS13335 · United States104.21.77.0/24, which holds 104.21.77.53
Live preview
This is a live, sandboxed embed of http.cat — not a copy. What it shows can change any time the site itself does.
Domain registration (WHOIS / RDAP)
- Registrar
- GANDI SAS
- Registered
- 2015-08-24
- Expires
- 2027-08-24
- Last changed
- 2026-08-10
Nameservers: zariyah.ns.cloudflare.com, rayden.ns.cloudflare.com
Status: client transfer prohibited
SSL certificate
Certificate Transparency lookup failed (HTTP 502).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html
- Cache-Control
- max-age=14400
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- Not sent
- X-Frame-Options
- Not sent
- X-Content-Type-Options
- Not sent
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://http.cat/HTTP 301→ https://http.cat/
- 2.
https://http.cat/HTTP 200
Meta tags
- Title
- HTTP Cats
- Description
- An API for the awesome HTTP Cats! Use it in your website to show funny error messages.
- Canonical
- Not set
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- HTTP Cats
- Open Graph description
- API for HTTP Cats
- Open Graph image
- https://http.cat/100.jpg
- Open Graph type
- website
- Twitter card
- summary_large_image
- Twitter title
- HTTP Cats
- Twitter image
- https://http.cat/100
robots.txt
- Disallow rules (User-agent: *)
- 0
- Disallow rules (other agents)
- 0
No Sitemap declared in robots.txt.
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Next.jsframework
Found "_next/static/" in the page's HTML
- Google Analyticsanalytics
Found "www.google-analytics.com" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.