skf-essen.de
HTML metadata
Technology
- Server
- nginx
- PHP
- 8.4.21
Contact
Registration
- Updated
- 2026-04-14
- 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
-
- 0 skfessen-de0i.mail.protection.outlook.com
- Verified for
-
- GlobalSign
Email authentication weak
- SPF
-
v=spf1 include:spf.protection.outlook.com -allstrict (-all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 38 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; includeSubDomains