cdu-bottrop.de
HTML metadata
Technology
- Server
- nginx
- CMS
- Joomla
Third-party hosts loaded (2)
- cache.sharkness-media.de×24
- api.sharkness-media.de×6
Social
Registration
- Updated
- 2026-04-28
- Name servers
-
- a.ns14.net.
- b.ns14.net.
- c.ns14.net.
- d.ns14.net.
DNS records live
- NS
-
- a.ns14.net
- b.ns14.net
- c.ns14.net
- d.ns14.net
- MX
-
- 10 mx3.sharkness.de
Email authentication partial
- SPF
-
v=spf1 +a +mx +a:mx1.sharkness.de +a:mx2.sharkness.de +a:mx3.sharkness.de +a:mail.sharkness-newsletter.de ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=nonepolicy: none (monitoring only) - DKIM
-
- default:
v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiD75kCsttEOsrZyEcWlimSYIspNqi9QZgSOGiIWG7lU923h3SXKgoZuUK8jCMPPpnbfdneENHMyvb7Q2l1ylT…
selectors probed - default:
Certificate (current)
R12
Expires in 69 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