Domain report
postcode.eu
postcode.eu ranks in the top 0.46% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 9 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.46%
- Hosts observed
- 9
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://postcode.eu/ answered with HTTP 200.
DNS records
- A
- 172.66.43.107
- 172.66.40.149
- AAAA
- 2606:4700:3108::ac42:2b6b
- 2606:4700:3108::ac42:2895
- MX
- 1 mail.protonmail.ch.
- 20 mailsec.protonmail.ch.
- NS
- josh.ns.cloudflare.com.
- lily.ns.cloudflare.com.
Live preview
This site sends "X-Frame-Options: DENY", which blocks embedding it here.
Since postcode.eu 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)
RDAP lookup failed (HTTP 429).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=utf-8
- Cache-Control
- must-revalidate, max-age=28800
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- max-age=31536000; includeSubDomains; preload
- X-Frame-Options
- DENY
- X-Content-Type-Options
- Not sent
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://postcode.eu/HTTP 301→ https://postcode.eu/
- 2.
https://postcode.eu/HTTP 301→ https://www.postcode.eu/
- 3.
https://www.postcode.eu/HTTP 200
Meta tags
- Title
- Address validation - For webshops, CRM and other office systems - Postcode.eu
- Description
- Postcode.eu is a postal address validation company in Europe. Use our API to validate addresses on your website.
- Canonical
- https://www.postcode.eu/
- 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
- Disallow rules (User-agent: *)
- 4
- 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
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.