sielmann-stiftung.de
HTML metadata
Technology
- Server
- nginx
- Analytics
-
- Google Tag Manager
Third-party hosts loaded (2)
- consent.cookiefirst.com×1
- www.googletagmanager.com×1
Social
Contact
- Phone
Registration
- Updated
- 2026-01-08
- Name servers
-
- ns45.domaincontrol.com.
- ns46.domaincontrol.com.
DNS records live
- NS
-
- ns45.domaincontrol.com
- ns46.domaincontrol.com
- MX
-
- 10 mail.sielmann-stiftung.de
- Verified for
-
Email authentication strong
- SPF
-
v=spf1 mx include:_spf.zimpel.de include:spf.pitcom.net include:smtp.neusta-is.de include:spf.crsend.com a ip4:188.40.148.5 -allstrict (-all) - DMARC
-
v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@sielmann-stiftung.de; ruf=mailto:dmarc@sielmann-stiftung.de; fo=1; adkim=s; aspf=s;policy: quarantine - DKIM
-
- k1:
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0PGicSsB1gqck3Y7L2IWMRvJvdM2LtDUhhbugWExzvehKQi2DYG9ooNMeNX8KKOejPddvZvdvPE653… - mail:
v=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA47CjwcMqb8idTupXW4GVTbkmdhv4dDEGKo9biKh4io9EaT6HG+oeqpqtSINnOOxegfXIi8LRYAGrTl30UsROUu…
selectors probed - k1:
Certificate (current)
R13
Expires in 25 days
HTTP security headers
- present
-
- x-content-type-options
- findings
-
- missing HSTS
- missing Content Security Policy
- missing frame protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-content-type-options
nosniff