seitensprung-fibel.de
HTML metadata
Technology
- Server
- Apache
- PHP
- 5.6.30 end of life
- Analytics
-
- Google Tag Manager
Third-party hosts loaded (1)
- www.googletagmanager.com×1
Registration
- Updated
- 2026-06-01
- Name servers
-
- ns1.first-ns.de.
- robotns2.second-ns.de.
- robotns3.second-ns.com.
DNS records live
- NS
-
- ns1.first-ns.de
- robotns2.second-ns.de
- robotns3.second-ns.com
- MX
-
- 10 mail.seitensprung-fibel.de
Email authentication weak
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R12
Expires in 65 days
HTTP security headers
- 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=15768000