indexo.dev

spstz.cz

.cz crawl

First seen 2026-05-20 · Last seen 2026-05-30 · ok HTTP/1.1 200 4058 ms crawled 2026-05-27

US · 185.230.63.107 · AS58182 Wix.com Ltd.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Střední průmyslová škola Třineckých železáren
Language
cs
Generator
Wix.com Website Builder
Canonical
https://www.spstz.cz
Feeds

Open Graph

url
https://www.spstz.cz
title
Střední průmyslová škola Třineckých železáren
site name
SPŠ Třineckých železáren

Technology

Server
Pepyaka
CMS
Wix

Third-party hosts loaded (5)

  • scontent-den2-1.cdninstagram.com×82
  • static.wixstatic.com×14
  • static.parastorage.com×13
  • siteassets.parastorage.com×3
  • browser.sentry-cdn.com×1

Social

Contact

Phone

Registration

Registrar
REG-ACTIVE24
Created
2025-08-19
Expires
2030-08-18 1539 days left
Updated
2025-11-17
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
  • 1 smtp.google.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.google.com include:_spf.m1.websupport.sk ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuSjQK4YpS8CHsV2jOuf4BvBFzDlUO71KtXXpq4PWwtKm5t5NhdQHfVGimAQigmhfVCr2beJ8K8s0kz…
selectors probed

Certificate (current)

WR1
from 2026-04-07 to 2026-07-06
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.spstz.cz/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=31556952

Links to (9)

Linked from (2)