indexo.dev

nibis.de

.de crawl dns

First seen 2026-04-14 · Last seen 2026-05-17 · ok HTTP/1.1 200 728 ms crawled 2026-05-08

US · 104.18.18.218 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
nibis – Das Niedersächsische Bildungsportal
Language
de

Technology

CDN
Cloudflare

Registration

Updated
2024-08-15
Name servers
  • brian.ns.cloudflare.com.
  • heather.ns.cloudflare.com.

DNS records live

NS
  • brian.ns.cloudflare.com
  • heather.ns.cloudflare.com
MX
  • 10 mail.nibis.de
TXT
  • google-site-verification=ZDY_7y8z-un96sj5ryMA4nI4LoOn6VPEMi1J1nmqaDc
  • google-site-verification=5osR2XP1Pzap8MJKOEOYcx8eCbPHjyPuyQbmdGz1Tt4

Email authentication partial

SPF
v=spf1 a mx ptr a:mail1.nibis.de a:schulleitungspostfach.nibis.de ip4:213.23.76.0/24 ip4:213.239.225.126/32 ip4:94.130.128.186/32 ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:0605b86f37f54fd5bccb5e0cc161f9f9@dmarc-reports.cloudflare.net
policy: none (monitoring only)
DKIM
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA46O28nnro1MqHNJLXZlTS6HqurHysWLR+0CD1enGqlKL3rDiOgTiIUe37jOxnOCwBfHn…
selectors probed

Certificate (current)

E7
from 2026-04-17 to 2026-07-16
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://nibis.de/

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

Links to (10)

Linked from (13)