indexo.dev

dfn.de

.de toplist crawl dns

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1458 ms crawled 2026-05-18

DE · 37.208.106.105 · AS58010 uvensys GmbH

Reputation 69/100 listed in spam blocklist dmarc monitor-only

Classifying

HTML metadata

Title
Startseite - DFN
Language
de-DE
Generator
WordPress 6.9.4
Canonical
https://www.dfn.de/
Translations
  • de
  • en

Open Graph

url
https://www.dfn.de/
title
Startseite - DFN
locale
de_DE
site name
DFN

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Contact

Phone

Registration

Updated
2026-02-23
Name servers
  • ns1.dfn.de.
  • ns2.dfn.de.
  • ns3.dfn.de.
  • ns4.dfn.de.

DNS records live

NS
  • ns1.dfn.de
  • ns2.dfn.de
  • ns3.dfn.de
  • ns4.dfn.de
MX
  • 10 a1001.mx.srv.dfn.de
  • 10 b1001.mx.srv.dfn.de
  • 10 c1001.mx.srv.dfn.de
TXT
  • google-site-verification=AHsv25T5W2sYiYNmYvU6z8a2G1H_7FM0vJOZf5uOhAE
  • google-site-verification=aNjf9WiXv4G4mjXnYovwIjOS01qfUjBGQbV5xomVJ44
  • apple-domain-verification=TdQByV6omDQj06SD

Email authentication partial

SPF
v=spf1 include:_spf.s1004.mx.srv.dfn.de a:deneb.dfn.de include:_spf.dfn-cert.de include:_spft.telekom.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • s1: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC5tjEwjdy5Xynwaub38d3Lk1e87O2W0qNp69swt85//ZjXNckUDm1dMK8/Aj8DIyASgDDOHjUrBzSx7a/EchjqgN0S+…
selectors probed

Certificate (current)

GEANT TLS RSA 1
from 2025-09-09 to 2026-09-09
Expires in 113 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.dfn.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubdomains;

Links to (1)

Linked from (18)