chrog.cz

.cz dns crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 241 ms crawled 2026-06-01

CZ · 91.227.7.76 · AS56717 OG Soft s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Bezdrátový internet - CHROG.cz
Description
Bezdrátová síť oficiální stránky

Technology

Server
nginx

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 15 mail.serverbox.cz
  • 20 mx10.serverbox.cz

Email authentication weak

SPF
v=spf1 mx ip4:185.19.0.3 ip4:185.19.0.2 ip4:91.227.7.67 ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-08 to 2026-07-07
Expires in 34 days

HTTP security headers

Header hygiene 80/100 Checked live page: https://chrog.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
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
camera=(self), microphone=()
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Linked from (1)