indexo.dev

petrn.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP 200 477 ms crawled 2026-06-02

CZ · 81.0.235.65 · AS15685 CASABLANCA INT a.s.

Reputation 59/100 wrong cert spf without fallback no dmarc policy

Registration

Registrar
REG-GRANSY
Created
2015-02-13
Expires
2027-02-12 254 days left
Name servers
  • ns2.gransy.com
  • ns3.gransy.com
  • ns4.gransy.com
  • ns5.gransy.com
  • ns.gransy.com

DNS records live

NS
  • ns.gransy.com
  • ns2.gransy.com
  • ns3.gransy.com
  • ns4.gransy.com
  • ns5.gransy.com
MX
  • 10 mail.petrn.cz

Email authentication weak

SPF
v=spf1 a mx include:gransy.com
missing all
DMARC
not published
DKIM
  • mail: v=DKIM1;h=sha256;k=rsa;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnPMGXe4YRuI6pCxfrcyuIF89Qcl6crcx/sZIixiuedrj6th2s2RRsmYiertHzWf…
selectors probed

Certificate (current) wrong cert

RapidSSL TLS RSA CA G1
from 2025-12-29 to 2027-01-30
Expires in 241 days

Full certificate history on crt.sh ↗

Linked from (1)