cerna-fialova.cz

.cz dns crawl

First seen 2026-05-30 · Last seen 2026-06-01 · error crawled 2026-06-05 6 attempts

CZ · 77.93.193.19 · AS24971 MasterDC s.r.o.

Reputation 65/100 wrong cert crawl error

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

Registration

Registrar

REG-ZONER

Created

1999-12-22

Expires

2026-12-20 192 days left

Updated

2011-11-22

Name servers

ns1.regzone.cz
ns1.regzone.de
ns1.regzone.info

DNS records live

NS

ns1.regzone.cz
ns1.regzone.de
ns1.regzone.info

MX

10 mail.cerna-fialova.cz
20 cf.cz

Email authentication strong

SPF

v=spf1 a mx include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; fo=1; rua=mailto:dmarc@musil-it.eu; ruf=mailto:dmarc@musil-it.eu; adkim=s; aspf=s;

policy: reject (enforced)

DKIM

mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDY8ywcwnyxC2tHolk0qBD2i6Iq4Zt0kpQS3EexjPmMc8cIXZTRaNkXAkJRluIBRV3wjkmKJ22hJrQ9jGjQbK…

selectors probed

Certificate (current) wrong cert

R13

from 2026-04-28 to 2026-07-27

Expires in 46 days

Full certificate history on crt.sh ↗

Linked from (1)

brna.cz×1

Use this data via API

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curl "https://indexo.dev/api/v1/domains/cerna-fialova.cz" \
  -H "X-API-Key: idx_..."

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