Domain report
cispa.de
cispa.de ranks in the top 0.031% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 28 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.031%
- Hosts observed
- 28
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://cispa.de/ answered with HTTP 200.
DNS records
- A
- 212.21.165.114
- AAAA
- No records found.
- MX
- 40 a1232.mx.srv.dfn.de.
- 40 c1232.mx.srv.dfn.de.
- 40 b1232.mx.srv.dfn.de.
- NS
- ns1.cispa.de.
- ns2.domaindiscount24.net.
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since cispa.de 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
- no-cache, private
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- base-uri 'self'; default-src 'self'; object-src 'none'; connect-src 'self' *.juicer.io graph.facebook.com https://cispa.matomo.cloud; font-src 'self' *.gstatic.com *.juicer.io; script-src 'self' 'strict-dynamic' 'report-sample' 'nonce-1vRwVSBO05BmCWkCg0dtNw=='; script-src-attr 'none'; script-src-elem 'self' 'strict-dynamic' 'report-sample' 'nonce-1vRwVSBO05BmCWkCg0dtNw=='; style-src 'self' 'unsafe-inline' *.googleapis.com *.juicer.io *.podigee.io *.podigee-cdn.net; style-src-elem 'self' 'unsafe-inline' *.googleapis.com *.juicer.io *.podigee.io *.podigee-cdn.net; img-src 'self' cispa.de *.cispa.de *.googleapis.com *.gstatic.com *.juicer.io *.twimg.com *.imgur.com *.fbcdn.net *.instagram.com *.cdninstagram.com *.podigee-cdn.net data:; child-src 'none'; frame-src 'self' *.podigee.io *.podigee-cdn.net; frame-ancestors 'self'; form-action 'self'; report-to csp-endpoint; upgrade-insecure-requests
- Strict-Transport-Security
- max-age=31536000
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- no-referrer
- Permissions-Policy
- accelerometer=(), camera=(), encrypted-media=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(), usb=(), unload=*
Redirect chain
- 1.
http://cispa.de/HTTP 301→ https://cispa.de/
- 2.
https://cispa.de/HTTP 302→ https://cispa.de/en
- 3.
https://cispa.de/enHTTP 200
Meta tags
- Title
- Home CISPA Helmholtz Center for Information Security
- Description
- The CISPA Helmholtz Center for Information Security is a German national major research institution. Our research encompasses all aspects of Information Security.
- Canonical
- Not set
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- Home CISPA Helmholtz Center for Information Security
- Open Graph description
- The CISPA Helmholtz Center for Information Security is a German national major research institution. Our research encompasses all aspects of Information Security.
- Open Graph image
- Not set
- Open Graph type
- website
- Twitter card
- summary_large_image
- Twitter title
- Not set
- Twitter image
- Not set
robots.txt
- Disallow rules (User-agent: *)
- 0
- Disallow rules (other agents)
- 0
Sitemap declared:
https://cispa.de/sitemap.xml
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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