indexo.dev

ddu-praha.cz

.cz crawl

First seen 2026-05-30 · Last seen 2026-05-30 · ok HTTP 200 1814 ms crawled 2026-05-31

CZ · 81.0.213.171 · AS15685 CASABLANCA INT a.s.

Reputation 62/100 wrong cert weak security headers no dmarc policy

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
Show 7 MX records
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 100 mx1.active24.com
  • 200 mx2.active24.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • google: v=DKIM1
selectors probed

Certificate (current) wrong cert

R11
from 2024-09-06 to 2024-12-05
Expired 544 days ago

Full certificate history on crt.sh ↗

Linked from (1)