grundbildung.de
HTML metadata
Technology
- Server
- Apache
Third-party hosts loaded (2)
- analyse.volkshochschule.de×1
- www.volkshochschule.de×1
Registration
- Updated
- 2019-05-03
- Name servers
-
- ns1.bringe.net.
- ns2.bringe.net.
DNS records live
- NS
-
- ns1.bringe.net
- ns2.bringe.net
- MX
-
- 10 mx0.iquer.net
- 10 mx1.iquer.net
Email authentication weak
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 42 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- x-content-type-options
- findings
-
- missing Content Security Policy
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-frame-options
SAMEORIGIN- x-content-type-options
nosniff- strict-transport-security
max-age=16000000; includeSubDomains; preload;