indexo.dev

artgoritmy.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 229 ms crawled 2026-06-02

SK · 37.9.175.165 · AS51013 WebSupport s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Obrazy a algoritmy
Description
Chcete se naučit používat počítač jako výtvarný nástroj? Pojďte si vyzkoušet originální grafické aplikace.

Technology

Server
openresty
jQuery
3.6.0
Fonts
  • Font Awesome

Third-party hosts loaded (4)

  • cdn.jsdelivr.net×3
  • ajax.googleapis.com×1
  • mastodon.art×1
  • use.fontawesome.com×1

Contact

Email

DNS records live

NS
  • ns1.websupport.sk
  • ns2.websupport.sk
  • ns3.websupport.sk
MX
  • 10 mx10.websupport.cz
  • 100 mx20.websupport.cz
TXT
  • spf2.0/pra a mx include:_sid.websupport.cz include:_sid.m1.websupport.sk ?all

Email authentication weak

SPF
v=spf1 a mx include:_spf.websupport.cz include:_spf.m1.websupport.sk ?all
neutral (?all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp4sTeAtA3ZVoFUmbZfLdHkurivYiVvDgb9txn8YIq1ODwIAdC4MuYxbZrYYdDGfFAGT/uCLBPYBUms…
selectors probed

Certificate (current)

R13
from 2026-04-10 to 2026-07-09
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (7)

Linked from (1)