indexo.dev

rionka.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP 200 1409 ms crawled 2026-06-03

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

Reputation 92/100 no dmarc policy

Registration

Registrar
REG-WEB4U
Created
2010-11-23
Expires
2026-11-22 170 days left
Updated
2012-11-12
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

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

Email authentication weak

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

Certificate (current)

R13
from 2026-04-02 to 2026-07-01
Expires in 27 days

Full certificate history on crt.sh ↗

Linked from (1)