indexo.dev

cosiv.cz

.cz crawl

First seen 2026-05-20 · Last seen 2026-05-30 · ok HTTP 200 3435 ms crawled 2026-05-27

SK · 37.9.175.164 · AS51013 WebSupport s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Registration

Registrar
REG-ACTIVE24
Created
2011-06-19
Expires
2026-06-18 17 days left
Updated
2025-03-22
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 cosiv-cz.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.active24.com include:spf.seznam.cz ip4:31.15.10.79 include:_spf.m1.websupport.sk ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA51KCffPV/9rNPzM0hw4Vo6eUtYFdEkLvik6E/vkg1pFcirzSmPxyCJ+w3MYuNuJ+Aw/kMO599KgMqq…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-05-09 to 2026-08-07
Expires in 68 days

Full certificate history on crt.sh ↗

Linked from (3)