indexo.dev

onoff.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP 200 906 ms crawled 2026-05-30

CZ · 46.36.40.195 · AS42422 SecurityNet.cz s.r.o.

Reputation 87/100 weak security headers no dmarc policy

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 mailin1.onoff.cz
  • 100 mailin2.onoff.cz

Email authentication weak

SPF
v=spf1 include:spf.active24.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-07 to 2026-08-05
Expires in 65 days

Full certificate history on crt.sh ↗

Linked from (1)