trenyrkarna.cz

.cz crawl

First seen 2026-05-26 · Last seen 2026-05-30 · ok HTTP/1.1 200 498 ms crawled 2026-05-30

CZ · 217.16.184.35 · AS43541 VSHosting s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Making sure you're not a bot!
Language: en

Technology

Server: nginx
CMS: Gatsby

DNS records live

NS

ns.wedos.com
ns.wedos.cz
ns.wedos.eu
ns.wedos.net

MX

0 trenyrkarna-cz.mail.protection.outlook.com

Verified for

Google

Email authentication partial

SPF

v=spf1 a include:sparkpostmail.com include:_emailing.glami.cz include:_emailing.heureka.cz include:spf.protection.outlook.com include:mailgun.org ?all

neutral (?all)

DMARC

v=DMARC1; p=none;rua=mailto:tomas.lhotak@trenyrkarna.cz;ri=604800;ruf=mailto:tomas.lhotak@trenyrkarna.cz;fo=1

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwUtLU8znJIbnVv8q4bUXR7ddMk31rYMEOKPgwhmIid623WXMGLXQbjOqOywd5gIIGzQu7bwkHfr+v7…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2025-11-21 to 2026-11-22

Expires in 174 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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