instrumentum.cz
HTML metadata
Technology
- Server
- nginx
- CMS
- WordPress 5.8.13 legacy (latest 7.0)
- jQuery
- 3.6.0
- Fonts
-
- Google Fonts
Third-party hosts loaded (3)
- fonts.googleapis.com×1
- s.w.org×1
- www.google.com×1
Contact
- Phone
Registration
- Registrar
- REG-ACTIVE24
- Created
- 2006-02-22
- Expires
- 2027-02-21 260 days left
- Updated
- 2026-05-30
- Name servers
-
- alfa.ns.active24.cz
- beta.ns.active24.cz
- gama.ns.active24.sk
DNS records live
- NS
-
- alfa.ns.active24.cz
- beta.ns.active24.cz
- gama.ns.active24.sk
- MX
-
- 10 mx1.active24.com
- 100 mx2.active24.com
- 1000 smtpb-in-3.tiscali.cz
Email authentication weak
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
E8
Expires in 69 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