indexo.dev

ctdo.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-17 · ok HTTP 200 3516 ms crawled 2026-05-14

DE · 195.160.168.3 · AS197782 Chaostreff Dortmund e.V.

Reputation 95/100 weak security headers

Registration

Updated
2022-08-19
Name servers
  • helium.ns.hetzner.de.
  • hydrogen.ns.hetzner.com.
  • oxygen.ns.hetzner.com.

DNS records live

NS
  • helium.ns.hetzner.de
  • hydrogen.ns.hetzner.com
  • oxygen.ns.hetzner.com
MX
  • 10 mail.chaostreff-dortmund.de

Email authentication strong

SPF
v=spf1 mx a -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:mailauth-reports@chaostreff-dortmund.de
policy: reject (enforced)
DKIM
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7Osn8m1AQ8xQvhAKC+k+2PAOXU9h5ZpWLOQVSlIE09oKjjmetbl1pKst5mn0074VIeWn…
selectors probed

Certificate (current)

R12
from 2026-04-18 to 2026-07-17
Expires in 58 days

Full certificate history on crt.sh ↗

Linked from (4)