hasicilitohlavy.cz
HTML metadata
Technology
- Server
- openresty
Third-party hosts loaded (1)
- www.slunecno.cz×1
Contact
DNS records live
- NS
-
- ns1.websupport.cz
- ns2.websupport.cz
- ns3.websupport.eu
- MX
-
- 10 mailin1.hasicilitohlavy.cz
- 100 mailin2.hasicilitohlavy.cz
Email authentication weak
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R12
Expires in 79 days
HTTP security headers
- present
-
- content-security-policy
- findings
-
- missing HSTS
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- content-security-policy
upgrade-insecure-requests