headbox.cz

.cz crawl

First seen 2026-05-23 · Last seen 2026-05-31 · ok HTTP/1.1 200 522 ms crawled 2026-05-28

CZ · 62.109.155.136 · AS29134 Webglobe, s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Úvodní stránka
Language: cs

Technology

Server: nginx

Registration

Registrar

REG-INTERNET-CZ

Created

2013-07-25

Expires

2026-07-24 53 days left

Updated

2025-02-05

Name servers

ns1.webglobe.cz
ns2.webglobe.cz
ns3.webglobe.com

DNS records live

NS

ns1.webglobe.cz
ns2.webglobe.cz
ns3.webglobe.com

MX

10 email.webglobe.cz
10 email2.webglobe.cz
10 email3.webglobe.cz
10 email4.webglobe.cz

TXT

v=spf2.0/mfrom,pra +a +mx include:_spf2.webglobe.cz -all

Email authentication partial

SPF: v=spf1 a mx include:_spf.webglobe.cz -all
strict (-all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-03-22 to 2026-06-20

Expires in 20 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (19)

Linked from (4)