indexo.dev

rtnext.cz

.cz dns crawl

First seen 2026-05-24 · Last seen 2026-05-29 · ok HTTP/1.1 200 4378 ms crawled 2026-05-29

FR · 46.105.212.204 · AS16276 OVH SAS

Reputation 87/100 weak security headers no dmarc policy

sector real estate type homepage

HTML metadata

Title
RTNext – vizualizace, 3D animace a webdesign
Description
RTNext – špičkové vizualizace interiéru i exteriéru, virtuální prohlídky, 3D animace a webdesign. V poslední době také filmy pro nové železniční tratě.
Language
cs

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • challenges.cloudflare.com×1
  • www.googletagmanager.com×1

Contact

Email
Phone

Registration

Registrar
REG-ZONER
Created
2007-11-20
Expires
2026-11-19 171 days left
Updated
2025-06-28
Name servers
  • jitrocel.rtnext.cz
  • ocun.rtnext.cz
  • sdns2.ovh.net

DNS records live

NS
  • jitrocel.rtnext.cz
  • ocun.rtnext.cz
MX
  • 10 lopuch.rtnext.cz

Email authentication weak

SPF
v=spf1 mx a:afrikan.rtnext.cz a:pelynek.rtnext.cz a:repik.rtnext.cz ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-19 to 2026-08-17
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)