Domain report
at91.com
at91.com ranks in the top 0.51% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.51%
- Hosts observed
- 2
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://at91.com/ answered with HTTP 526.
DNS records
- A
- 198.175.253.160
- AAAA
- No records found.
- MX
- No records found.
- NS
- a28-65.akam.net.
- a4-64.akam.net.
- a1-212.akam.net.
- a14-66.akam.net.
- a7-67.akam.net.
- a11-64.akam.net.
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since at91.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)
- Registrar
- CSC Corporate Domains, Inc.
- Registered
- 2003-10-08
- Expires
- 2027-10-08
- Last changed
- 2026-10-04
Nameservers: A1-212.AKAM.NET, A11-64.AKAM.NET, A14-66.AKAM.NET, A28-65.AKAM.NET, A4-64.AKAM.NET, A7-67.AKAM.NET
Status: client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited
SSL certificate
Certificate Transparency lookup failed (HTTP 502).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/plain; charset=UTF-8
- Cache-Control
- private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- Not sent
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- Not sent
- Referrer-Policy
- same-origin
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://at91.com/HTTP 302→ https://developerhelp.microchip.com/xwiki/bin/view/applications/linux4sam/
- 2.
https://developerhelp.microchip.com/xwiki/bin/view/applications/linux4sam/HTTP 520
Meta tags
- Title
- Not set
- Description
- Not set
- Canonical
- Not set
- 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
robots.txt request failed (HTTP 526).
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.