speleo.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 932 ms crawled 2026-06-01

CZ · 217.198.119.76 · AS34222 ZONER a.s.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: speleo.cz
Language: cs

Open Graph

url: https://www.speleo.cz/
title: SPELEO

Technology

Server: Microsoft-IIS
ASP.NET: 4.0.30319
jQuery: 1.11.1 known XSS (<3.5)
Stack: ASP.NET

Third-party hosts loaded (1)

translate.google.com×1

Social

Contact

Email

Phone

+420 722 651 110

DNS records live

NS

ns.grdns.cz
ns.grdns.it

MX

10 mx.web4u.cz

Verified for

Google

Email authentication weak

SPF: v=spf1 ip4:217.198.119.209 include:web4u.cz ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-15 to 2026-07-14

Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.speleo.cz/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains