indexo.dev

rhtkoblenz.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP/1.1 200 1147 ms crawled 2026-05-06

DE · 176.52.244.118 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Home
Language
de-de
Generator
TYPO3 CMS
Canonical
https://www.rhtkoblenz.de/

Technology

Server
Apache

Contact

Email
Phone

Registration

Updated
2018-08-12
Name servers
  • ns1046.ui-dns.biz.
  • ns1046.ui-dns.com.
  • ns1046.ui-dns.de.
  • ns1046.ui-dns.org.

DNS records live

NS
  • ns1046.ui-dns.biz
  • ns1046.ui-dns.com
  • ns1046.ui-dns.de
  • ns1046.ui-dns.org
MX
  • 0 rhtkoblenz-de.mail.protection.outlook.com

Email authentication strong

SPF
v=spf1 ip4:217.91.205.28 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1;p=reject;pct=100;rua=mailto:postmaster@rhtkoblenz.de
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsS0RjHy7nXLoenTzBL5KwcTYriNCWd3m6gR4+ICd7PJ+IEdu2w6W3skiYGpey0+A5Qza0G7mc0wgXq…
selectors probed

Certificate (current)

R13
from 2026-03-23 to 2026-06-22
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.rhtkoblenz.de

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Linked from (1)