indexo.dev

koelner.cz

.cz crawl

First seen 2026-05-25 · Last seen 2026-05-25 · ok HTTP 200 2053 ms crawled 2026-05-29

PL · 89.171.64.158 · AS12741 Netia SA

Reputation 70/100 wrong cert weak security headers

DNS records live

NS
  • ns1-36.azure-dns.com
  • ns2-36.azure-dns.net
  • ns3-36.azure-dns.org
  • ns4-36.azure-dns.info
MX
  • 0 koelner-cz.mail.protection.outlook.com
TXT
  • v=DMARC1; p=none; rua=mailto:security@rawlplug.com; ruf=mailto:security@rawlplug.com;

Email authentication strong

SPF
v=spf1 mx a ip4:89.171.140.90 include:spf.protection.outlook.com include:_spf.freshmail.pl include:spf.mailkit.eu include:_spf.rawlplugnews.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email,mailto:security@koelner.cz; ruf=mailto:security@koelner.cz
policy: quarantine
DKIM
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDAngFoRu70rteIsBTY9hxb1ZdFqgvwXBBNvw2wcXIE1dabxan9Twl9H5ggIZ0UJOcHIsPU3DbkZt+ZstD6CE…
selectors probed

Certificate (current) wrong cert

R12
from 2026-05-12 to 2026-08-10
Expires in 71 days

Full certificate history on crt.sh ↗

Linked from (1)