indexo.dev

mettnau-card.de

.de crawl

First seen 2026-04-30 · Last seen 2026-05-19 · ok HTTP/1.1 200 1189 ms crawled 2026-05-08

DE · 46.4.90.37 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
METTNAU-Card - Login

Technology

Server
nginx

Registration

Updated
2016-10-12
Name servers
  • a.ns14.net.
  • b.ns14.net.
  • c.ns14.net.
  • d.ns14.net.

DNS records live

NS
  • a.ns14.net
  • b.ns14.net
  • c.ns14.net
  • d.ns14.net
MX
  • 10 mail.mettnau-card.de
TXT
  • 2017101310540603ot2s7nuvs6390ku9mfgszuh4uhsea9r0g3xngiadadxyhz4l

Email authentication weak

SPF
v=spf1 a a:webworks-four.de ip4:46.4.90.37 ip6:2a01:4f8:140:7325::2 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-06 to 2026-08-04
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.mettnau-card.de/login

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

Linked from (1)