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gfw-duisburg.de

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First seen 2026-05-02 · Last seen 2026-05-02 · pending HTTP 423 crawled 2026-05-20 3 attempts

DE · 85.13.155.24 · AS34788 Neue Medien Muennich GmbH

Reputation 67/100 wrong cert no dmarc policy

http 423

Registration

Updated
2022-01-25
Name servers
  • ns1.ns-serve.net.
  • ns2.ns-serve.net.

DNS records live

NS
  • ns1.ns-serve.net
  • ns2.ns-serve.net
MX
  • 10 mx01.hornetsecurity.com
  • 20 mx02.hornetsecurity.com
  • 30 mx03.hornetsecurity.com
  • 40 mx04.hornetsecurity.com
TXT
  • 0grk5825jx185sxz2n0fgnfjc8g8hxly
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.hornetsecurity.com include:antispameurope.com include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
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)