indexo.dev

letistejaromer.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP 200 921 ms crawled 2026-06-03

CZ · 81.91.86.14 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 mx1.mailchannels.net
  • 10 mx2.mailchannels.net

Email authentication weak

SPF
v=spf1 include:_spf.web4u.cz ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-11 to 2026-07-10
Expires in 36 days

Full certificate history on crt.sh ↗

Linked from (1)