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First seen 2026-04-20 · Last seen 2026-05-11 · ok HTTP 200 2130 ms crawled 2026-05-14

DE · 91.204.5.97 · AS31371 Wissenschaftsladen Dortmund e.V.

Reputation 87/100 weak security headers no dmarc policy

Registration

Registrar
Vautron Rechenzentrum AG
Created
2002-01-04
Expires
2027-01-04 229 days left
Updated
2026-02-18
Name servers
  • a.ns.opensource-consult.com
  • bc.ns.opensource-consult.com
  • wurmloch.in-vpn.de

DNS records live

NS
  • a.ns.opensource-consult.com
  • bc.ns.opensource-consult.com
  • wurmloch.in-vpn.de
MX
  • 0 hauptpost.opensource-consult.com

Email authentication weak

SPF
v=spf1 mx ip4:91.204.5.103/32
no all qualifier
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-22 to 2026-07-21
Expires in 63 days

Full certificate history on crt.sh ↗

Linked from (1)