tendersystems.cz

.cz user crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 519 ms crawled 2026-06-02

US · 199.34.228.44 · AS27647 Weebly, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

sector government type homepage

HTML metadata

Title: Tender systems - Úvodní strana | Tender systems
Description: Tender systems | Provozování elektronického nástroje Tender arena.
Language: en

Open Graph

url: https://www.tendersystems.cz/
title: Úvodní strana | Tender systems
site name: Tender systems
description: Tender systems | Provozování elektronického nástroje Tender arena.

Technology

CDN: Cloudflare
jQuery: 1.8.3 known XSS (<3.5)

Analytics

Google Tag Manager

Third-party hosts loaded (3)

cdn2.editmysite.com×7
cdn11.editmysite.com×5
www.googletagmanager.com×1

Social

DNS records live

NS

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

MX

Show 6 MX records

10 aspmx.l.google.com
20 alt1.aspmx.l.google.com
20 alt2.aspmx.l.google.com
30 aspmx2.googlemail.com
30 aspmx3.googlemail.com
50 smtp.tendersystems.cz

TXT

MS=8E1262BBCB02432AAC17D6EC7A39F2E578B76DF7

Verified for

Google

Email authentication partial

SPF

v=spf1 include:spf.mailjet.com mx include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; adkim=r; aspf=r; pct=100

policy: none (monitoring only)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl42EwMGPI4e1h8zAOLtMTVJ2Pz+o9uArTjfcYQRIO25qrLuAhxa1XmbNXn2zJ4WWwfN6vG9nAHSzK7…

selectors probed

Certificate (current)

R13

from 2026-05-11 to 2026-08-09

Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (18)

Use this data via API

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