tsb.cz

.cz crawl

First seen 2026-05-19 · Last seen 2026-05-31 · ok HTTP/1.1 200 2575 ms crawled 2026-05-28

CZ · 89.185.255.118 · AS24971 MasterDC s.r.o.

Reputation 100/100

Classifying

HTML metadata

Title

Technické sítě Brno | akciová společnost

Language

Generator

Divi v.4.27.6

Canonical

https://www.tsb.cz/

Feeds

Technology

Server: nginx
CMS: WordPress
jQuery: 3.7.1

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.gstatic.com×1
www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar

REG-INTERNET-CZ

Created

1998-03-13

Expires

2032-10-09 2322 days left

Updated

2017-10-25

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

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

Verified for

Microsoft 365

Email authentication strong

SPF

v=spf1 mx include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; pct=100

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCNGXyTreCk+WN1N4yWYtEFfl58rlY8cpNdSS7t7pSPL4Ss/IElgno0Fz5FgK85HbRwbnBYTRWfTUSmgCmsTk…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtP4FZ8NPIPTzIO6YRaByJHSKcDJliMjaReMmt93FSNORiqGoeK7ssg9i6wVcQAzSdG2o7nmVFinUrz…

selectors probed

Certificate (current)

R12

from 2026-05-03 to 2026-08-01

Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.tsb.cz/

present

strict-transport-security
content-security-policy
x-frame-options
referrer-policy

findings

missing content type protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
content-security-policy: frame-ancestors 'self' ; upgrade-insecure-requests;
strict-transport-security: max-age=63072000;preload