dobraposta.cz

.cz dns

First seen 2026-06-03 · Last seen 2026-06-04 · pending crawled 2026-06-04 4 attempts

CZ · 80.250.24.214 · AS21430 WIA spol. s.r.o.

Reputation 42/100 listed in spam blocklist wrong cert no dmarc policy

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

Registration

Registrar
REG-ACTIVE24
Created
2013-11-29
Expires
2026-11-28 176 days left
Updated
2025-07-01
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
  • 10 mail.dobraposta.cz

Email authentication weak

SPF
v=spf1 mx a ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

E8
from 2026-05-23 to 2026-08-21
Expires in 77 days