zstgmruzyne.cz
HTML metadata
Technology
- Server
- openresty
- Stack
- PHP
Third-party hosts loaded (1)
- www.scio.cz×1
DNS records live
- NS
-
- ns1.websupport.cz
- ns2.websupport.cz
- ns3.websupport.eu
- MX
-
- 1 aspmx.l.google.com
- 2 alt1.aspmx.l.google.com
- 3 alt2.aspmx.l.google.com
- 4 alt3.aspmx.l.google.com
Email authentication weak
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R12
Expires in 73 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
Links to (4)
- scio.cz×1
- petrkvapil.cz×1
- lirais.cz×1
- dmsoftware.cz×1