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Domain report

ide3.de

ide3.de ranks in the top 0.078% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 5 distinct hosts observed under it.

Explore ide3.de in the Web Graph

Connectivity

#103,676harmonic-centrality rank
Top percentile
0.078%
Hosts observed
5

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://ide3.de/ answered with HTTP 200.

DNS records

A
  • 194.94.121.242
AAAA
No records found.
MX
  • 10 mailcow.itprolab.de.
NS
  • second-dns.netcup.net.
  • root-dns.netcup.net.
  • third-dns.netcup.net.

Live preview

This is a live, sandboxed embed of ide3.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
Content-Encoding
Not sent

Security

Content-Security-Policy
default-src 'none';base-uri 'self';connect-src 'self' wss://codi.ide3.de https://vimeo.com/api/v2/video/;font-src 'self';manifest-src 'self';frame-src 'self' https://player.vimeo.com https://www.youtube.com https://gist.github.com *;img-src * data:;script-src https://codi.ide3.de/build/ https://codi.ide3.de/js/ https://codi.ide3.de/config 'unsafe-inline' 'nonce-74019830-463f-44fb-9436-02e6b2585d1f' 'sha256-81acLZNZISnyGYZrSuoYhpzwDTTxi7vC1YM4uNxqWaM=';style-src https://codi.ide3.de/build/ https://codi.ide3.de/css/ 'unsafe-inline';object-src * *;form-action 'self';media-src *;upgrade-insecure-requests
Strict-Transport-Security
max-age=31536000; includeSubDomains
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
same-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://ide3.de/HTTP 301

    → https://go.ide3.de/

  2. 2.https://go.ide3.de/HTTP 301

    → https://codi.ide3.de/s/C1l9JWjsf

  3. 3.https://codi.ide3.de/s/C1l9JWjsfHTTP 200

Meta tags

Title
go.ide3.de - HedgeDoc
Description
--- ## `IDE3` Integrierte Entwicklungsumgebung am Fachbereich Ingenieurwissenschaften und Informa
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
go.ide3.de - HedgeDoc
Open Graph description
Not set
Open Graph image
https://codi.ide3.de/icons/android-chrome-512x512.png
Open Graph type
website
Twitter card
Not set
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

  • Expressframework

    X-Powered-By: Express

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