indexo.dev

knihovnice.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-05-31 · pending HTTP 403 crawled 2026-06-03 4 attempts

CZ · 87.236.196.153 · AS35592 Coolhousing s.r.o.

Reputation 67/100 wrong cert no dmarc policy

http 403

Registration

Registrar
REG-INTERNET-CZ
Created
2004-10-11
Expires
2027-10-10 493 days left
Updated
2011-12-14
Name servers
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 0 mailer.knihovnice.cz

Email authentication weak

SPF
v=spf1 a mx include:_spf.google.com ip4:87.236.196.153 -all
strict (-all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhPcpov8xZR+MAbnI8l17h3HGVNo0zhih0YxeKLUASkISxn34wcvEo+gyRypxO6Rkm7Ezgstubise3s…
selectors probed

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2026-01-08 to 2027-02-08
Expires in 249 days

Full certificate history on crt.sh ↗

Linked from (2)