Domain report

proff.dk

proff.dk ranks in the top 0.39% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore proff.dk in the Web Graph

Connectivity

#520,989harmonic-centrality rank

Top percentile: 0.39%
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

403HTTP status

https://proff.dk/ answered with HTTP 403.

DNS records

A: 13.50.136.215
16.171.91.183
13.51.52.245
AAAA: No records found.
MX: 1 proff-dk.mail.protection.outlook.com.
NS: ns-1170.awsdns-18.org.
ns-1860.awsdns-40.co.uk.
ns-340.awsdns-42.com.
ns-903.awsdns-48.net.

Live preview

This is a live, sandboxed embed of proff.dk — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

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

What each security header does

Redirect chain

1.http://proff.dk/HTTP 301
→ https://proff.dk/
2.https://proff.dk/HTTP 301
→ https://www.proff.dk/
3.https://www.proff.dk/HTTP 403

robots.txt

robots.txt request failed (HTTP 403).

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

Cloudflarecdn
Server: cloudflare

Similar connectivity

Domains ranked just above and below it in the same snapshot.