indexo.dev

hostmaster.cz

.cz dns

First seen 2026-06-01 · Last seen 2026-06-02 · pending crawled 2026-06-02

CZ · 85.118.134.136 · AS24971 MasterDC s.r.o.

Reputation 75/100 wrong cert

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

DNS records live

NS
  • ns1.ignum.com
  • ns2.ignum.cz
MX
  • 10 mail.hostmaster.cz
  • 20 mail20.hostmaster.cz

Email authentication strong

SPF
v=spf1 a mx ip4:85.118.134.136 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; pct=100
policy: quarantine
DKIM
  • mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMQOqeLnsByx07iOxkJSzPI5TTwMJpzXcrRswQs38FthkJp+ux0Wr4S0xqoEIWA84ywckTFmUbQ9uIzQRdad…
selectors probed

Certificate (current) wrong cert

R13
from 2026-04-07 to 2026-07-06
Expires in 33 days

Full certificate history on crt.sh ↗