katechismus.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP 200 1155 ms crawled 2026-06-01

CZ · 77.78.104.3 · AS15685 CASABLANCA INT a.s.

Reputation 79/100 weak security headers spf without fallback no dmarc policy

Registration

Registrar

REG-GRANSY

Created

2001-04-03

Expires

2027-04-03 304 days left

Updated

2021-03-05

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.katechismus.cz

Email authentication weak

SPF: v=spf1 a mx include:gransy.com
missing all
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-07 to 2026-07-06

Expires in 34 days

Full certificate history on crt.sh ↗

Linked from (3)