subterra.cz

.cz crawl

First seen 2026-05-22 · Last seen 2026-05-31 · ok HTTP/1.1 200 2297 ms crawled 2026-05-28

DE · 52.57.225.44 · AS16509 Amazon.com, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title

SUBTERRA

Language

cs-CZ

Generator

WPML ver:4.2.6 stt:9,1,3;

Canonical

https://www.subterra.cz/

Translations

Open Graph

url: https://www.subterra.cz/
title: home – SUBTERRA
locale: cs_CZ
site name: SUBTERRA

Technology

CMS: WordPress
jQuery: 3.4.1 known XSS (<3.5)
Stack: PHP

Analytics

Google Tag Manager

Third-party hosts loaded (5)

snappycdn.net×14
cdnjs.cloudflare.com×2
ajax.googleapis.com×1
s.w.org×1
www.googletagmanager.com×1

Social

Registration

Registrar

REG-INTERNET-CZ

Created

1998-06-24

Expires

2026-10-12 133 days left

Updated

2018-10-29

Name servers

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

DNS records live

NS

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

MX

10 subterra-cz.n-v1.mx.microsoft

TXT

"73pMA0g/B2BIXO5OZ0jHcTfSDq5aQs8W2aJKIXbGDWSLpZPlA9lRJi+uVM3ftIQ4Mtb+87mvg5hau66Z+dyr6w=="
"MS=ms77243904"

Verified for

Google

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:spf.mail-komplet.cz ip4:194.228.89.32 include:spf.boldem.cz ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc@metrostav.cz,mailto:7ag0zp5x@dmarc.boldem.cz;fo=1

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDO2K1UtuGe/7ARuRTKrjkUYNI5mdQa7RFg0F3/aHbPmF7DrFJ/cdhqQV8EnmspHexPhwTKS/+6wi7fXoyh90…

selectors probed

Certificate (current)

from 2023-12-21 to 2024-03-20

Expired 802 days ago

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.subterra.cz/

present

x-frame-options

findings

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

Header values

x-frame-options: SAMEORIGIN