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kefb-kursprogramm.de

.de crawl

First seen 2026-05-01 · Last seen 2026-05-01 · pending crawled 2026-05-15 2 attempts

DE · 85.13.142.200 · AS34788 Neue Medien Muennich GmbH

Reputation 69/100 wrong cert dmarc monitor-only

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'kefb-kursprogramm.de'. (_ssl.c:1000)

Registration

Updated
2025-03-06
Name servers
  • ns5.kasserver.com.
  • ns6.kasserver.com.

DNS records live

NS
  • ns5.kasserver.com
  • ns6.kasserver.com
MX
  • 10 mail.kefb-kursprogramm.de

Email authentication partial

SPF
v=spf1 ip4:89.107.184.0/21 ip4:185.18.92.0/22 ip6:2a01:50c0::/32 a mx -all
strict (-all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2025-12-04 to 2027-01-05
Expires in 230 days

Full certificate history on crt.sh ↗

Linked from (1)