kuketz-security.de
HTML metadata
Technology
- Server
- nginx
Registration
- Updated
- 2026-04-28
- Name servers
-
- root-dns.netcup.net.
- second-dns.netcup.net.
- third-dns.netcup.net.
DNS records live
- NS
-
- root-dns.netcup.net
- second-dns.netcup.net
- third-dns.netcup.net
- MX
-
- 10 mxext1.mailbox.org
- 10 mxext2.mailbox.org
- 20 mxext3.mailbox.org
Email authentication strong
- SPF
-
v=spf1 include:mailbox.org mx ip4:46.38.242.112 ip6:2a03:4000:7:33:94cf:91ff:fe6a:b3e0 ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=reject; pct=100; fo=1; ruf=mailto:abuse@kuketz-security.de;policy: reject (enforced) - DKIM
- no key found at common selectors
Certificate (current)
E8
Expires in 71 days
HTTP security headers
- present
-
- strict-transport-security
- content-security-policy
- x-frame-options
- x-content-type-options
- referrer-policy
- permissions-policy
Header values
- referrer-policy
same-origin- x-frame-options
DENY- permissions-policy
camera=(), microphone=()- x-content-type-options
nosniff- content-security-policy
default-src 'none'; img-src 'self'; style-src 'self'; font-src 'self'; base-uri 'none'; frame-ancestors 'none'; form-action 'none'; block-all-mixed-content- strict-transport-security
max-age=31536000; includeSubdomains; preload