indexo.dev

yamahaskola.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-03 · ok HTTP/1.1 200 1295 ms crawled 2026-06-01

CZ · 81.2.195.31 · AS24806 INTERNET CZ, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Hudební škola YAMAHA, oficiální www stránky pro ČR a SR
Description
Hudební škola YAMAHA, oficiální www stránky pro ČR a SR
Language
cs

Technology

Server
Apache

Third-party hosts loaded (1)

  • unpkg.com×2

Social

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAi/15WnLCUlUvlSUtFfZYnJULInSDjBiwf+hZoB3tSI0trO6m2WuX2HFurq6qzC6iPLDXTYM+Hs4RDl…
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

Actalis Domain Validation Server CA G3
from 2025-10-16 to 2026-11-06
Expires in 155 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.yamahaskola.cz/cs

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

Links to (2)

Linked from (2)