indexo.dev

mainz-open.de

.de crawl

First seen 2026-05-11 · Last seen 2026-05-11 · ok HTTP/1.1 200 2138 ms crawled 2026-05-17

DE · 217.160.0.22 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Mainz Open
Language
de
Generator
WordPress 4.7.33
Canonical
https://mainz-open.de/
Feeds

Technology

Server
Apache
CMS
WordPress
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed

Third-party hosts loaded (6)

  • fonts.googleapis.com×3
  • secure.gravatar.com×3
  • s.w.org×1
  • www.google.com×1
  • www.youtube-nocookie.com×1
  • www.youtube.com×1

Registration

Updated
2022-12-12
Name servers
  • ns1018.ui-dns.de.
  • ns1032.ui-dns.org.
  • ns1053.ui-dns.biz.
  • ns1102.ui-dns.com.

DNS records live

NS
  • ns1018.ui-dns.de
  • ns1032.ui-dns.org
  • ns1053.ui-dns.biz
  • ns1102.ui-dns.com
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication partial

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

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-12-02 to 2026-12-17
Expires in 212 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://mainz-open.de/

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

Links to (49)

Linked from (1)