indexo.dev

mathefragen.de

.de crawl

First seen 2026-04-19 · Last seen 2026-05-09 · error HTTP 403 crawled 2026-05-15 5 attempts

US · 172.67.137.41 · AS13335 Cloudflare, Inc.

Reputation 82/100 crawl error no dmarc policy

cloudflare bot challenge

Registration

Updated
2025-03-18
Name servers
  • chris.ns.cloudflare.com.
  • nia.ns.cloudflare.com.

DNS records live

NS
  • chris.ns.cloudflare.com
  • nia.ns.cloudflare.com
MX
  • 10 mx00.udag.de
  • 10 mx01.udag.de
TXT
  • google-site-verification=baqR3ygGzAOBwWS6qZni8KkYOJS3ZsEAwEz2C-IqC5I
  • google-site-verification=uJAGTJhnNuWBX70F_w7tTq6QXC9bd9lqx6HcPe19XXI

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-06 to 2026-08-04
Expires in 76 days

Full certificate history on crt.sh ↗

Linked from (1)