indexo.dev

divadlosumperk.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-06-02 · pending crawled 2026-06-02 4 attempts

Reputation 92/100 no dmarc policy

http error: [Errno -5] No address associated with hostname

Registration

Registrar
REG-ACTIVE24
Created
2001-07-02
Expires
2026-07-02 28 days left
Updated
2025-05-21
Name servers
  • ns4.selectsystem.cz
  • ns5.selectsystem.cz

DNS records live

NS
  • ns4.selectsystem.cz
  • ns5.selectsystem.cz
MX
  • 10 mail.spk.cz
  • 20 mail-backup.spk.cz

Email authentication weak

SPF
v=spf1 ip4:188.116.64.128/25 ip4:188.116.121.0/29 ip4:188.116.122.0/29 ip4:188.116.123.0/29 ip4:188.116.124.0/29 ip4:185.64.219.200 ip4:185.64.219.201 include:as4u.org a:mail1.colosseum.eu -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificates

Loading certificate

Linked from (4)