indexo.dev

hollar.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-30 · ok HTTP/1.1 200 934 ms crawled 2026-05-30

CZ · 81.91.86.12 · AS39790 Web4U s.r.o.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Hollar | Sdružení českých umělců grafiků HOLLAR Praha | Galerie české grafiky s tradicí od roku 1917
Language
cs
Generator
WordPress 6.6.5
Canonical
https://hollar.cz/
Translations
  • cs
  • en
Feeds

Technology

Server
openresty
CMS
WordPress 6.6.5
PHP
7.4.33 end of life
jQuery
1.10.2 known XSS (<3.5)
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • ajax.googleapis.com×2
  • gmpg.org×1
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar
REG-WEB4U
Created
2001-02-20
Expires
2027-02-20 264 days left
Updated
2010-01-26
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 mx1.mailchannels.net
  • 10 mx2.mailchannels.net

Email authentication strong

SPF
v=spf1 include:_spf.web4u.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

YR2
from 2026-05-28 to 2026-08-26
Expires in 87 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (3)

Linked from (2)