indexo.dev

chalk.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 2021 ms crawled 2026-06-02

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Český výrobce magnézia pro sportovní účely | Chalk.cz
Language
cs

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • maps.googleapis.com×1

Contact

Address
Chalk, spol. s r.o.261 01, Suchodol 20

DNS records live

NS
  • ns.4com.cz
  • ns.4com.name
  • ns.4com.us
MX
  • 10 4com.email
Verified for
  • Google

Email authentication weak

SPF
v=spf1 a mx ip4:84.244.104.7 ip4:84.244.104.8 ~all
softfail (~all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; n=1024; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD/G3Z6PoX5gEL00nPpSSrafXyDQM+1ECDkzquIvg4vNfQ+j/uwzdENUizJ6dcfOaAb/ozXBsSiNF…
selectors probed

Certificate (current)

R12
from 2026-04-23 to 2026-07-22
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (1)