indexo.dev

ceskysoftware.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-02 · pending HTTP 403 crawled 2026-06-04 4 attempts

US · 172.67.206.52 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

cloudflare bot challenge

Registration

Registrar
REG-ZONER
Created
2006-12-08
Expires
2026-12-07 185 days left
Updated
2024-05-14
Name servers
  • rachel.ns.cloudflare.com
  • titan.ns.cloudflare.com

DNS records live

NS
  • rachel.ns.cloudflare.com
  • titan.ns.cloudflare.com
MX
Show 7 MX records
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
  • 30 aspmx4.googlemail.com
  • 30 aspmx5.googlemail.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a mx mx:ceskysoftware.smtpzone.net mx:smtpweb.ceskysoftware.cz ip4:217.198.120.156 include:_spf.google.com include:spf-zoner-cloudmail.zoner.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-15 to 2026-07-14
Expires in 40 days

Full certificate history on crt.sh ↗

Linked from (1)