indexo.dev

theater-ulm.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 6768 ms crawled 2026-05-15

DE · 217.160.0.103 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Theater Ulm
Description
Internetauftritt des Theater Ulm
Language
de

Technology

Server
Apache
CMS
Nuxt

Third-party hosts loaded (1)

  • polyfill.io×1

Registration

Updated
2016-11-14
Name servers
  • ns-de.1and1-dns.biz.
  • ns-de.1and1-dns.com.
  • ns-de.1and1-dns.de.
  • ns-de.1and1-dns.org.

DNS records live

NS
  • ns-de.1and1-dns.biz
  • ns-de.1and1-dns.com
  • ns-de.1and1-dns.de
  • ns-de.1and1-dns.org
MX
  • 10 mx00.kundenserver.de
  • 11 mx01.kundenserver.de

Email authentication partial

SPF
v=spf1 include:_spf.elasticemail.com include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc-reports@theater-ulm.de; ruf=mailto:dmarc-failures@theater-ulm.de; fo=1;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-10-05 to 2026-10-20
Expires in 152 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.theater-ulm.de/

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

Links to (1)

Linked from (1)