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Domain report

offis.de

offis.de ranks in the top 0.025% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 39 distinct hosts observed under it.

Explore offis.de in the Web Graph

Connectivity

#33,191harmonic-centrality rank
Top percentile
0.025%
Hosts observed
39

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://offis.de/ answered with HTTP 200.

DNS records

A
  • 134.106.57.24
  • 134.106.57.25
AAAA
No records found.
MX
  • 10 merlin2.offis.de.
  • 10 merlin1.offis.de.
  • 50 merlin3.offis.de.
NS
  • dns-2.dfn.de.
  • dns-3.dfn.de.
  • dns-1.dfn.de.
  • dns2.offis.de.

Live preview

This is a live, sandboxed embed of offis.de — 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; charset=utf-8
Cache-Control
private, no-store
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31536000
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. 1.http://offis.de/HTTP 301

    → https://offis.de/

  2. 2.https://offis.de/HTTP 301

    → https://www.offis.de/

  3. 3.https://www.offis.de/HTTP 200

Meta tags

Title
OFFIS
Description
OFFIS betreibt anwendungsorientierte Forschungs- und Entwicklungsarbeit in den Informations- und Kommunikationstechnologien mit Schwerpunkten in den Themenbereichen Energie, Gesundheit und Verkehr.
Canonical
https://www.offis.de/index.html
Robots
index,follow,noodp,noydir
Generator
Not set
Open Graph title
Not set
Open Graph description
Not set
Open Graph image
https://www.offis.de/typo3conf/ext/offis/Resources/Public/Images/logo-offis.svg
Open Graph type
Not set
Twitter card
summary
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
0
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

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Similar connectivity

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