indexo.dev

dum-umeni.cz

.cz crawl

First seen 2026-05-24 · Last seen 2026-05-30 · ok HTTP/1.1 200 1872 ms crawled 2026-05-29

CZ · 93.185.110.230 · AS43541 VSHosting s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Dům umění města Brna Hlavní strana
Language
cs
Canonical
/

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • static.viaaurea.eu×24
  • www.google.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

DNS records live

NS
  • ns1.ignum.eu
  • ns2.ignum.eu
  • ns3.ignum.eu
MX
  • 1 smtp.google.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 mx a include:_spf.nlengine.com include:spfa.mailendo.com include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@dum-umeni.cz;
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCFGOpcIDbOV3QDnsm1/XHUx1z+Xiv1MJXUD64wKJAuhMC/5yDf4N759LVG06FDK7j8RF4EoJSUozvlUkDvS…
  • mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC5nCy5L17tjzfKcQzfdabzt26OgrBEoqGbBuBkyfySLSQVL9xt6l1KnGUel0LdJvjFDiJPXUjP/ydnUbwKcS…
selectors probed

Certificate (current)

R13
from 2026-04-16 to 2026-07-15
Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.dum-umeni.cz/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Links to (5)

Linked from (2)