potsdam.com

.com dns

First seen 2026-05-06 · Last seen 2026-05-15 · ok HTTP 200 1907 ms crawled 2026-05-13

DE · 80.86.4.131 · AS24993 netzhaus aktiengesellschaft

Reputation 87/100 weak security headers no dmarc policy

Registration

Registrar
RegistryGate GmbH
Created
1997-09-09
Expires
2026-09-08 111 days left
Updated
2026-04-27
Name servers
  • dns1.netzhaus.ag
  • dns2.netzhaus.ag
  • dns3.netzhaus.ag
  • dns4.netzhaus.ag

DNS records live

NS
  • dns1.netzhaus.ag
  • dns2.netzhaus.ag
  • dns3.netzhaus.ag
  • dns4.netzhaus.ag
MX
  • 0 mail0.netzhaus.ag
  • 10 webmail.potsdam.de

Email authentication weak

SPF
v=spf1 a mx include:spf.netzhaus.ag ip4:80.86.4.131 ip4:80.86.4.138 ip4:80.86.1.125 ip4:80.86.1.9 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-12 to 2026-07-11
Expires in 52 days