indexo.dev

gtue-bornheim.de

.de crawl

First seen 2026-05-26 · Last seen 2026-06-01 · ok HTTP/1.1 200 698 ms crawled 2026-05-30

DE · 188.34.206.237 · AS24940 Hetzner Online GmbH

Reputation 75/100 listed in spam blocklist

Classifying

HTML metadata

Title
Home - GTÜ Bornheim
Language
de_DE
Generator
TYPO3 CMS
Canonical
https://www.gtue-bornheim.de/index.html

Technology

Server
nginx

Contact

Email
Phone

Registration

Updated
2019-03-07
Name servers
  • docks17.rzone.de.
  • shades16.rzone.de.

DNS records live

NS
  • docks17.rzone.de
  • shades16.rzone.de
MX
  • 5 smtpin.rzone.de

Email authentication strong

SPF
not published
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-17 to 2026-08-15
Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.gtue-bornheim.de/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (1)

Linked from (2)