sons.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 1284 ms crawled 2026-06-01

CZ · 194.108.117.44 · AS13036 T-Mobile Czech Republic a.s.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: SONS ČR - O nás
Language: cs

Technology

Server: Apache
jQuery: 3.6.1

Analytics

Google Tag Manager

Third-party hosts loaded (2)

c1.navrcholu.cz×1
www.googletagmanager.com×1

Social

DNS records live

NS

ns.braillnet.cz
ns2.gts.cz

MX

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

Verified for

Google
Microsoft 365

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com a:mail.braillnet.cz a:smeagol.braillnet.cz a:mspool.gts.cz mx -all

strict (-all)

DMARC

v=DMARC1;p=quarantine;pct=100;rua=mailto:dmarc@braillnet.cz

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtp8hKAbW7UGqEA/hsWXI22Ugl5MX9Eqf8abLjanfGCSwVMai+LIUAvu048cywqo7w4oz5kZXwe2wLX…

selectors probed

Certificate (current)

YE2

from 2026-05-31 to 2026-08-29

Expires in 88 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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