deutsch-als-fremdsprache-lernen.de
HTML metadata
Technology
- Server
- nginx
Third-party hosts loaded (2)
- www.sprachenlernen24.de×46
- www.sprachenlernen24-onlinekurse.de×1
Registration
- Updated
- 2025-09-21
- Name servers
-
- ns65.1und1.de.
- ns66.1und1.de.
DNS records live
- NS
-
- ns1028.ui-dns.biz
- ns1028.ui-dns.com
- ns1028.ui-dns.de
- ns1028.ui-dns.org
- MX
-
- 10 mx00.ionos.de
- 10 mx01.ionos.de
Email authentication partial
- SPF
-
v=spf1 include:_spf-eu.ionos.com ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=none;policy: none (monitoring only) - DKIM
- no key found at common selectors
Certificate (current)
R12
Expires in 28 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