indexo.dev

sonpo.cz

.cz dns crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 469 ms crawled 2026-06-01

US · 104.21.2.203 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
SONPO, a.s. - ICT specialist
Description
Providing specialist services in the field of ICT. We help our clients in the field of ICT security and in the development and integration of applications and systems.
Language
en

Open Graph

url
https://www.sonpo.cz/
title
SONPO, a.s. - ICT specialist
description
Providing specialist services in the field of ICT. We help our clients in the field of ICT security and in the development and integration of applications and systems.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

DNS records live

NS
  • david.ns.cloudflare.com
  • dee.ns.cloudflare.com
MX
  • 10 antispam.sonpo.cz
TXT
  • MS=5E1BF96BD7BF1D51AD20BCA3BC1AF794111922C5

Email authentication strong

SPF
v=spf1 mx a:monitoring.sonpo.cz ip4:46.30.238.223 a:mail.sonpo.cz include:spf.sonpo.cz include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:ebf2124ed4184a4097df075ec85c8587@dmarc-reports.cloudflare.net,mailto:dmarcreport@sonpo.cz
policy: reject (enforced)
DKIM
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
selectors probed

Certificate (current)

E8
from 2026-04-13 to 2026-07-12
Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.sonpo.cz/en/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
DENY
x-content-type-options
nosniff
strict-transport-security
max-age=15552000

Links to (28)

Linked from (1)