brush-sem.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 1019 ms crawled 2026-06-03

US · 34.237.47.210 · AS14618 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: BRUSH SEM s.r.o.
Description: Jsme BRUSH. Vyrábíme generátory. Roztočte to s námi.
Language: cs
Canonical: https://www.brush-sem.cz/

Open Graph

url: https://www.brush-sem.cz/
title: BRUSH SEM s.r.o.
site name: BRUSH SEM s.r.o.
description: Jsme BRUSH. Vyrábíme generátory. Roztočte to s námi.

Technology

Server: nginx

Analytics

Google Tag Manager

Third-party hosts loaded (5)

cloud-1de12d.becdn.net×11
b-cloud.becdn.net×8
fonts.bunny.net×3
www.googletagmanager.com×2
www.google.com×1

Social

Contact

Phone

DNS records live

NS

ns1.brandshelter.com
ns2.brandshelter.de
ns3.brandshelter.info
ns4.brandshelter.net
ns5.brandshelter.us

MX

10 in.smtp.cz
20 mx.smtp.cz

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-18 to 2026-07-17

Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.brush-sem.cz

present

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

findings

missing frame protection
missing Permissions Policy

Header values

referrer-policy: no-referrer-when-downgrade
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests
strict-transport-security: max-age=31536000; includeSubdomains; preload

Links to (5)

Linked from (1)

t-cimco.cz×1