marum.de
HTML metadata
Technology
- Server
- Apache
- Social widgets
-
- YouTube Embed
Third-party hosts loaded (1)
- www.youtube-nocookie.com×1
Registration
- Updated
- 2026-03-26
- Name servers
-
- deneb.dfn.de.
- ines.zfn.uni-bremen.de.
- ns.informatik.uni-bremen.de.
DNS records live
- NS
-
- deneb.dfn.de
- ines.zfn.uni-bremen.de
- ns.informatik.uni-bremen.de
- MX
-
- 10 mail1.marum.de
- 20 mail2.marum.de
- TXT
-
google-site-verification=tLzQWruBqInkZ0FPO8Lve0Nl0dTok0IBNbzYLBVwhz0apple-domain-verification=0IWMyzgkEH2sILixMS=ms37500307
Email authentication strong
- SPF
-
v=spf1 mx ip4:134.102.234.15 ip4:134.102.234.17 ip4:134.102.234.18 ip4:134.102.234.19 ip4:134.102.234.37 ip4:134.102.234.126 ip4:134.102.234.56 include:spf.eprov.eu a:marumfreunde.de -allstrict (-all) - DMARC
-
v=DMARC1; p=reject; rua=mailto:dmarc-reports@marum.de; ruf=mailto:dmarc-reports@marum.de; sp=none; fo=0:s; adkim=r; aspf=rpolicy: reject (enforced) · sp=none - DKIM
- no key found at common selectors
Certificate (current)
E7
Expires in 43 days
HTTP security headers
- present
-
- strict-transport-security
- content-security-policy
- x-frame-options
- x-content-type-options
- referrer-policy
- findings
-
- CSP allows unsafe inline scripts/styles
- CSP uses wildcard sources
- missing Permissions Policy
Header values
- referrer-policy
no-referrer-when-downgrade- x-frame-options
DENY- x-content-type-options
nosniff- content-security-policy
default-src 'self' blob: data: *.marum.de *.youtube.com https://maps.googleapis.com https://www.youtube-nocookie.com https://publications.marum.de; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; script-src 'self' 'unsafe-eval' 'unsafe-inline' https://stats.marum.de https://maps.googleapis.com; img-src 'self' https://i.ytimg.com *.googleapis.com *.gstatic.com data: *.google.com *.pangaea.de; frame-src 'self' *.youtube.com *.marum.de https://www.youtube-nocookie.com https://sketchfab.com; worker-src 'self' blob:; font-src 'self' *.gstatic.com; frame-ancestors 'self'- strict-transport-security
max-age=63072000; preload