indexo.dev

datonet.cz

.cz dns crawl

First seen 2026-05-27 · Last seen 2026-06-04 · ok HTTP/1.1 200 782 ms crawled 2026-05-30

CZ · 37.235.105.25 · AS39392 SH.cz s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
home - NEJrychlejší internet v Polabí
Description
NEJrychlejší internet v Polabí
Language
cs

Technology

Server
openresty
CMS
Gatsby
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • ajax.googleapis.com×2
  • fonts.googleapis.com×2
  • unpkg.com×2
  • fonts.gstatic.com×1
  • www.google.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

DNS records live

NS
  • alfa.ns.active24.cz
  • beta.ns.active24.cz
  • gama.ns.active24.sk
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

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCNBnDKNiLYml/0o5ZsW5thEYSlsMkPV6YMJquETdW6O3vU3VxS6VcoONn1F77HAzK51CeLNkOmEUngKOvwCM…
selectors probed

Certificate (current)

E8
from 2026-05-07 to 2026-08-05
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://datonet.cz/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
same-origin
x-frame-options
Deny
permissions-policy
geolocation=self, accelerometer=self, gyroscope=self
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (1)

Linked from (2)