Domain report
optadata.de
optadata.de ranks in the top 0.16% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 17 distinct hosts observed under it.
Connectivity
#207,886harmonic-centrality rank
- Top percentile
- 0.16%
- Hosts observed
- 17
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://optadata.de/ answered with HTTP 403.
DNS records
- A
- 167.235.121.20
- AAAA
- 2a01:4f8:1061:2147::2
- MX
- 10 mx-01-eu-central-1.prod.hydra.sophos.com.
- 20 mx-02-eu-central-1.prod.hydra.sophos.com.
- NS
- cheryl.ns.cloudflare.com.
- dane.ns.cloudflare.com.
Live preview
This is a live, sandboxed embed of optadata.de — 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/plain
- 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://optadata.de/HTTP 403
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 403).
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.