terezinstudies.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 1657 ms crawled 2026-06-01

CZ · 147.231.163.211 · AS2852 CESNET z.s.p.o.

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title: Institut Terezínské iniciativy
Language: cs

Technology

Server: OpenCms
jQuery: 1.11.0 known XSS (<3.5)

Fonts

Adobe Fonts

Third-party hosts loaded (3)

ajax.googleapis.com×1
netdna.bootstrapcdn.com×1
use.typekit.net×1

Social

Contact

Email

Phone

DNS records live

NS

ns1.ecn.cz
ns2.ecnstudio.cz

MX

10 ecn4.ecn.cz
30 ecn3.ecn.cz

Verified for

Google

Email authentication weak

SPF: v=spf1 include:ecn.cz ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current) wrong cert

GEANT TLS ECC 1

from 2025-10-16 to 2026-10-16

Expires in 136 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.terezinstudies.cz/cs/index.html

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Links to (11)

Linked from (3)