indexo.dev

geis.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP 200 1057 ms crawled 2026-05-30

SK · 37.9.175.204 · AS51013 WebSupport s.r.o.

Reputation 100/100

DNS records live

NS
  • ns1.regzone.cz
  • ns1.regzone.de
  • ns1.regzone.info
MX
  • 10 mail01.geis.cz
  • 10 mail02.geis.cz
  • 15 mail03.geis.cz

Email authentication strong

SPF
v=spf1 mx a:mail.geis.cz a:smtp2.geis.cz a:smtp3.geis.cz ip4:80.188.203.152 ip4:80.188.203.153 ip4:80.188.203.149 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.smartemailing.cz include:mailgun.org include:spf-westeu.emailsignatures365.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:GEI_notifications@geis.cz,mailto:dmarc_rua@geis.cz; ri=86400; pct=100
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCluTioZTmbnmpXWvU1rUUeQmbOafLTWsbXIw62DPsfRo56kNMtf2A7V8FB2HXhGi6IWOfGl5krz2L/Q3m9QI…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDLWbJZPPI9bM/79NqN6aX4cNwZD3/yqMUHkeXSi6W6TaHo2S8uatWQIxWkh5lfJMfNWyRybHkwq0pOhUNdKl…
selectors probed

Certificate (current)

R12
from 2026-05-12 to 2026-08-10
Expires in 71 days

Full certificate history on crt.sh ↗

Linked from (1)