indexo.dev

studio100.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 4463 ms crawled 2026-05-31

CZ · 130.193.9.44 · AS29134 Webglobe, s.r.o.

Reputation 79/100 weak security headers spf without fallback no dmarc policy

Classifying

HTML metadata

Title
Vítejte – ve STUDIO100
Language
cs
Generator
WordPress 5.3.21
Canonical
https://studio100.cz/
Feeds

Technology

Server
nginx
CMS
WordPress 5.3.21 legacy (latest 7.0)
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • gmpg.org×1
  • s.w.org×1
  • www.googletagmanager.com×1

DNS records live

NS
  • ns1.hosting90.cz
  • ns2.hosting90.cz
  • ns3.hosting90.net
MX
Show 6 MX records
  • 1 aspmx.l.google.com
  • 10 antispam.hosting90.cz
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
  • 6 alt3.aspmx.l.google.com
  • 7 alt4.aspmx.l.google.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 redirect=_spf.hosting90.cz
missing all
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-27 to 2026-08-25
Expires in 85 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://studio100.cz/

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

Linked from (1)