indexo.dev

onostavebniny.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-04 · ok HTTP/1.1 200 998 ms crawled 2026-06-04

CZ · 185.66.36.37 · AS59925 Seonet Multimedia s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
ONO Stavebniny s. r. o.
Language
cs
Canonical
https://onostavebniny.cz

Technology

Server
Apache
jQuery
3.7.1
Stack
PHP
Analytics
  • Google Tag Manager
Third-party hosts loaded (8)
  • bigmat.cz×106
  • www.bigtranet.cz×20
  • unpkg.com×2
  • cdn.jsdelivr.net×1
  • cdnjs.cloudflare.com×1
  • code.jquery.com×1
  • www.freeprivacypolicy.com×1
  • www.googletagmanager.com×1

Registration

Registrar
REG-INTERNET-CZ
Created
2011-04-01
Expires
2027-03-31 299 days left
Updated
2015-03-16
Name servers
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 5 mxavas.forpsi.com

Email authentication weak

SPF
v=spf1 a mx include:_spf.forpsi.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

YR2
from 2026-06-01 to 2026-08-30
Expires in 86 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://onostavebniny.cz/

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

Links to (8)

Linked from (2)