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Domain report

tele-task.de

tele-task.de ranks in the top 0.43% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore tele-task.de in the Web Graph

Connectivity

#567,991harmonic-centrality rank
Top percentile
0.43%
Hosts observed
3

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://tele-task.de/ answered with HTTP 200.

DNS records

A
  • 141.89.225.101
AAAA
  • 2001:638:807:204::8d59:e165
MX
  • 10 mail.variomedia.de.
NS
  • mail3.hpi.uni-potsdam.de.
  • dns1.hpi.uni-potsdam.de.
  • www8.hpi-web.de.

Live preview

Screenshot of tele-task.de

This site sends "X-Frame-Options: DENY", which blocks embedding it here.

Since tele-task.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).

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
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
default-src 'self' blob: https://stats.tele-task.de:443 https://www10-fms.hpi.uni-potsdam.de:443; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' blob: https://www.google.com/recaptcha/ https://www.gstatic.com/recaptcha/ https://stats.tele-task.de:443; frame-src https://www.google.com/recaptcha/;
Strict-Transport-Security
max-age=63072000; includeSubDomains; preload
X-Frame-Options
DENY
X-Content-Type-Options
nosniff
Referrer-Policy
same-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://tele-task.de/HTTP 301

    → https://tele-task.de/

  2. 2.https://tele-task.de/HTTP 301

    → https://www.tele-task.de/

  3. 3.https://www.tele-task.de/HTTP 200

Meta tags

Title
tele-TASK
Description
tele-TASK Video-Vorlesungsportal des Hasso Plattner Instituts
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
tele-TASK
Open Graph description
tele-TASK Video-Vorlesungsportal des Hasso Plattner Instituts
Open Graph image
https://www.tele-task.de/static/img/banner_facebook.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

Sitemap declared:

  • https://www.tele-task.de/static/sitemap.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

Related domains

Similar connectivity

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