indexo.dev

colas.cz

.cz crawl

First seen 2026-05-18 · Last seen 2026-05-30 · ok HTTP/1.1 200 5375 ms crawled 2026-05-23

SK · 37.9.175.163 · AS51013 WebSupport s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Colas.cz
Language
cs
Canonical
https://colas.cz/
Translations
  • cs
  • en

Open Graph

title
Colas.cz

Technology

Server
openresty
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
REG-ACTIVE24
Created
1999-07-15
Expires
2026-10-23 144 days left
Updated
2024-06-22
Name servers
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 20 mxa-001d6901.gslb.pphosted.com
  • 20 mxb-001d6901.gslb.pphosted.com
  • 5 colas.in.tmes.trendmicro.eu
TXT
  • tmes=bd142a478aff13f0f0e9c2de39b511b0
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf1.speig.fr include:spf2.speig.fr include:spf3.speig.fr include:spf4.speig.fr include:_spf.m1.websupport.sk -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-02 to 2026-07-01
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://colas.cz/

present
  • content-security-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests;

Links to (5)

Linked from (6)