indexo.dev

guehring.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP 200 1364 ms crawled 2026-06-03

DE · 212.97.109.131 · AS24766 GBC GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikation

Reputation 89/100 weak security headers dmarc monitor-only

Registration

Registrar
REG-ACTIVE24
Created
2003-07-14
Expires
2026-07-12 37 days left
Updated
2024-09-19
Name servers
  • ns2.pipni.cz
  • ns3.pipni.cz
  • ns.pipni.cz

DNS records live

NS
  • ns.pipni.cz
  • ns2.pipni.cz
  • ns3.pipni.cz
MX
  • 10 mail.guehring.cz
  • 20 ns2.tophosting.cz
Verified for
  • Google

Email authentication partial

SPF
v=spf1 a:gcloud2.guehring.cz a:gcloud.guehring.cz a:mail.guehring.cz a:gcloud2-uat.guehring.cz a:smtp.tophosting.cz a mx include:spf.mail-komplet.cz ip4:46.28.111.143 ip4:194.6.209.235 ip6:2a00:f48:1008::209:235:10 ip4:85.160.71.101 ip4:194.6.209.236 ip6:2a00:f48:1008::209:236:10 ip4:194.6.208.114 ip6:2a00:f48:1008::208:114:10 ~all
softfail (~all)
DMARC
v=DMARC1;p=none;rua=mailto:admin@guehring.cz;fo=1
policy: none (monitoring only)
DKIM
  • dkim: v=DKIM1;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQChFRjbxKcgNyoCaEQg/+iwyfAr0PrL+qMU2IEXyFWL2ElzwRzcUJ5NcbBzM9YuaIkcnTW19S9ZSNKF4Q5xVPpDwtXhO4…
selectors probed

Certificate (current)

YR1
from 2026-06-01 to 2026-08-30
Expires in 87 days

Full certificate history on crt.sh ↗

Linked from (1)