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nbn-resolving.org

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First seen 2026-04-14 · Last seen 2026-05-16 · ok HTTP/1.1 200 4423 ms crawled 2026-05-14

DE · 193.175.100.226 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
URN:NBN Resolver for Germany and Switzerland

Technology

Server
Apache

Contact

Phone

Registration

Registrar
Global Village GmbH
Created
2003-01-08
Expires
2027-01-08 234 days left
Updated
2026-02-22
Name servers
  • dns.globvill.de
  • ns0.dnb.de
  • ns1.dnb.de

DNS records live

NS
  • dns.globvill.de
  • ns0.dnb.de
  • ns1.dnb.de
MX
  • 10 mail.dnb.de
TXT
  • HARICA-2cagk2QJeqYKgujTjGy
  • HARICA-BwTxwyET1sSONOuKyrz

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

GEANT TLS RSA 1
from 2025-11-12 to 2026-11-12
Expires in 177 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://nbn-resolving.org/gui/urn

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (6)