indexo.dev

sfrb.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · pending crawled 2026-06-03 3 attempts

SK · 37.9.175.165 · AS51013 WebSupport s.r.o.

Reputation 67/100 wrong cert no dmarc policy

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'sfrb.cz'. (_ssl.c:1000)

Registration

Registrar
REG-ACTIVE24
Created
2001-03-01
Expires
2027-02-28 269 days left
Updated
2025-04-15
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 sfrb-cz.mail.protection.outlook.com

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

R12
from 2026-04-20 to 2026-07-19
Expires in 45 days

Full certificate history on crt.sh ↗

Linked from (1)