Domain report
rostra.dk
rostra.dk ranks in the top 0.063% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 4 distinct hosts observed under it.
Connectivity
#83,872harmonic-centrality rank
- Top percentile
- 0.063%
- Hosts observed
- 4
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
200HTTP status
https://rostra.dk/ answered with HTTP 200.
DNS records
- A
- 46.30.213.75
- AAAA
- 2a02:2350:5:10b:5e:d5d8:4933:d005
- MX
- 10 mx1.mailpod15-cph3.g1i.one.com.
- 10 mx2.mailpod15-cph3.g1i.one.com.
- 10 mx3.mailpod15-cph3.g1i.one.com.
- 10 mx4.mailpod15-cph3.g1i.one.com.
- NS
- ns01.one.com.
- ns02.one.com.
Live preview
This is a live, sandboxed embed of rostra.dk — not a copy. What it shows can change any time the site itself does.
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
- Cache-Control
- Not sent
- 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://rostra.dk/HTTP 200
Meta tags
- Title
- Rostras Forlag Online Publishing
- Description
- En videref�rsel p� nettet af Rostras Forlag (1973-1992) Online Publishing: Science, Latin Dictionary, Languages
- Canonical
- Not set
- Robots
- index, follow
- 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
rostra.dk has no robots.txt.
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.