indexo.dev

theissen-ultra.de

.de crawl

First seen 2026-04-24 · Last seen 2026-05-18 · ok HTTP/1.1 200 13948 ms crawled 2026-05-18

DE · 192.109.96.75 · AS3320 Deutsche Telekom AG

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Willkommen - Theissen Bauzentrale KG
Language
de
Generator
TYPO3 CMS
Canonical
https://www.theissen-ultra.de/willkommen

Technology

Server
Apache

Third-party hosts loaded (2)

  • api.eurobaustoff.de×11
  • cs3.wettercomassets.com×2

Social

Registration

Updated
2019-07-15
Name servers
  • ns1055.ui-dns.biz.
  • ns1055.ui-dns.com.
  • ns1055.ui-dns.de.
  • ns1055.ui-dns.org.

DNS records live

NS
  • ns1055.ui-dns.biz
  • ns1055.ui-dns.com
  • ns1055.ui-dns.de
  • ns1055.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication partial

SPF
v=spf1 include:_spf-eu.ionos.com include:spf.crsend.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-27 to 2026-06-25
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.theissen-ultra.de/willkommen

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (4)

Linked from (1)