zkratky.cz
HTML metadata
Technology
- Server
- Apache
- Stack
- Java
- Analytics
-
- Google Tag Manager
- Fonts
-
- Google Fonts
Third-party hosts loaded (3)
- ajax.googleapis.com×3
- fonts.googleapis.com×1
- www.googletagmanager.com×1
Registration
- Registrar
- REG-ACTIVE24
- Created
- 2001-07-29
- Expires
- 2026-07-28 55 days left
- Updated
- 2025-09-23
- Name servers
-
- ns1.websupport.cz
- ns2.websupport.cz
- ns3.websupport.eu
DNS records live
- NS
-
- ns1.websupport.cz
- ns2.websupport.cz
- ns3.websupport.eu
- MX
-
- 10 mailin1.zkratky.cz
- 100 mailin2.zkratky.cz
- Verified for
-
Email authentication weak
- SPF
-
v=spf1 ip4:95.168.210.61 include:_spf.google.com -allstrict (-all) - DMARC
- not published
- DKIM
-
- mail:
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApaDFVOo5RIvBoTYNgKrWyNFda+zHd1bqZhtL9zvkqhb+0bvs+g6/sl0L/7wZ6AvLMD41WTkf3lkwd+…
selectors probed - mail:
Certificate (current)
R12
Expires in 62 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- x-content-type-options
- findings
-
- missing Content Security Policy
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-frame-options
DENY- x-content-type-options
nosniff- strict-transport-security
max-age=31536000 ; includeSubDomains
Links to (8)
- zz.cz×1
- vypocet.cz×1
- psc.cz×1
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- kalkulackaosvc.cz×1
- jednotky.cz×1
- dd.cz×1
- alkoholmetr.cz×1