gvsystem.cz
HTML metadata
Technology
- Server
- nginx
DNS records live
- NS
-
- ns.forpsi.cz
- ns.forpsi.it
- ns.forpsi.net
- MX
-
- 10 mx.vshosting.cloud
Email authentication weak
- SPF
-
v=spf1 mx ip4:78.24.14.78 ip4:81.2.216.222 ip6:2001:15e8:104:4::d8de include:_spf.google.com include:_spf.vshosting.cloud -allstrict (-all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current) wrong cert
E8
Expires in 75 days
HTTP security headers
- present
-
- x-frame-options
- x-content-type-options
- referrer-policy
- findings
-
- checked over plain HTTP
- missing Content Security Policy
- missing Permissions Policy
Header values
- referrer-policy
strict-origin-when-cross-origin- x-frame-options
SAMEORIGIN- x-content-type-options
nosniff