periodensystem.de
HTML metadata
Technology
- Server
- Apache
- Cookie consent
-
- Usercentrics
Third-party hosts loaded (2)
- app.usercentrics.eu×1
- privacy-proxy.usercentrics.eu×1
Social
Registration
- Updated
- 2021-03-23
- Name servers
-
- nsa8.schlundtech.de.
- nsb8.schlundtech.de.
- nsc8.schlundtech.de.
- nsd8.schlundtech.de.
DNS records live
- NS
-
- nsa8.schlundtech.de
- nsb8.schlundtech.de
- nsc8.schlundtech.de
- nsd8.schlundtech.de
Email authentication no MX
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
E7
Expires in 50 days
HTTP security headers
- present
-
- strict-transport-security
- x-content-type-options
- referrer-policy
- findings
-
- missing Content Security Policy
- missing frame protection
- missing Permissions Policy
Header values
- referrer-policy
strict-origin- x-content-type-options
nosniff- strict-transport-security
max-age=63072000