donauchem.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-03 · ok HTTP/1.1 200 984 ms crawled 2026-06-01

NL · 20.50.2.13 · AS8075 Microsoft Corporation

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Prodej chemikálií a distribuce - Donauchem s.r.o.
Description
Import, export a distribuce chemikálií pro průmysl a stavebnictví. Prodej a výroba kvalitních chemických výrobků v tuzemsku a celé střední Evropě.

Technology

Server
Microsoft-IIS
ASP.NET
4.0.30319
Stack
ASP.NET
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • ifirmy.cz×1
  • maps.googleapis.com×1
  • www.googletagmanager.com×1
  • www.webtraxs.com×1

Registration

Registrar
REG-WEB4U
Created
2005-04-13
Expires
2027-04-12 311 days left
Updated
2014-12-11
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 1 donauchem-cz.mail.protection.outlook.com
TXT
  • ppe-2a736cf19634cfe88e1d92a5a3aa8ee27b234fbb
  • have-i-been-pwned-verification=f74eb2b19f808d99598b4c76a9596bbb
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com ip4:93.90.163.157 -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:it@donauchem.cz; ruf=mailto:it@donauchem.cz; fo=1
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCPaeQdfGi5YEhDjuIK12shKSWu+FZy2JJk9NLDwhdv0a4cer4klvjmvlQ9cQwcq4VItpO8yxpFvh3XniRYK2…
selectors probed

Certificate (current)

GeoTrust TLS RSA CA G1
from 2026-02-21 to 2026-08-22
Expires in 78 days

HTTP security headers

Header hygiene 40/100 Checked live page: https://donauchem.cz/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Links to (4)

Linked from (2)