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groningen1.org

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First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP 200 1935 ms crawled 2026-06-04

NL · 84.247.15.81 · AS20857 Signet B.V.

Reputation 87/100 weak security headers no dmarc policy

Registration

Registrar
Key-Systems GmbH
Created
2015-09-24
Expires
2026-09-24 111 days left
Updated
2025-11-25
Name servers
  • ns1.dn-s.nl
  • ns2.dn-s.nl
  • ns3.dn-s.nl
  • ns4.dn-s.nl

DNS records live

NS
  • ns1.dn-s.nl
  • ns2.dn-s.nl
  • ns3.dn-s.nl
  • ns4.dn-s.nl
MX
  • 10 mail.groningen1.org

Email authentication weak

SPF
v=spf1 include:_spf.premiumantispam.nl a mx ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw9Lwdfs9XJI2TrrOpx/ehc04686gdcw/hVEbmXtjzMDUx3bPzTALtgyVXn3Ovd9hXSCAqPJvc/dfJ5XUWYdPz…
selectors probed

Certificate (current)

R12
from 2026-05-15 to 2026-08-13
Expires in 69 days

Full certificate history on crt.sh ↗

Linked from (1)