synergys.cz

HTML metadata

Technology

Server

Apache

CMS

Gatsby

Analytics

• Google Tag Manager

Fonts

• Google Fonts

Third-party hosts loaded (5)

• webservis.ecn.cz×3
• cdn.jsdelivr.net×2
• fonts.googleapis.com×2
• fonts.gstatic.com×1
• www.googletagmanager.com×1

Registration

Registrar

REG-GRANSY

Created

2024-08-20

Expires

2026-08-19 79 days left

Updated

2025-04-22

Name servers

• ns1.ecn.cz
• ns2.ecnstudio.cz

DNS records live

NS

• ns1.ecn.cz
• ns2.ecnstudio.cz

MX

• 10 ecn4.ecn.cz
• 30 ecn3.ecn.cz

Email authentication strong

SPF

v=spf1 include:ecn.cz ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; fo=1; rua=mailto:postmaster-dmarc@ecn.cz; ruf=mailto:postmaster-dmarc@ecn.cz

policy: quarantine

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://synergys.cz/

present

• strict-transport-security

findings

• missing Content Security Policy
• missing frame protection
• missing content type protection
• missing Referrer Policy
• missing Permissions Policy

Links to (4)

• rin-gen.cz×1
• ecnstudio.cz×1
• ecn.cz×1
• creativecommons.org×1

Linked from (3)

• rin-gen.cz×1
• litomerice.cz×1
• ecnstudio.cz×1