indexo.dev

op-vk.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP 200 927 ms crawled 2026-05-30

CZ · 195.113.76.116 · AS2852 CESNET z.s.p.o.

Reputation 92/100 no dmarc policy

Registration

Registrar
REG-ACTIVE24
Created
2011-04-07
Expires
2027-04-06 309 days left
Updated
2026-05-24
Name servers
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 0 opvk-cz0e.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4Pd/0cvrLTTMWv3MSHFdrEwdSoVPP83CixXSYcvaHjklAYrYoxdVOPBitZk6z3c5JQTX8yNC2ZTbdv…
selectors probed

Certificate (current)

R12
from 2026-05-26 to 2026-08-24
Expires in 85 days

Full certificate history on crt.sh ↗

Linked from (3)