indexo.dev

topen.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-30 · ok HTTP/1.1 200 1352 ms crawled 2026-05-30

CZ · 37.46.83.206 · AS8648 dogado GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
TOPEN s.r.o. | Instalatér Karlovy Vary
Description
Instalatérské práce - voda, topení, plyn. Kominictví - stavba, čistění a revize komínů. Služby v Karlových Varech a okolí.
Language
cs-CZ

Technology

Server
nginx
Stack
PHP
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • assets.benefitweb.cz×17
  • fonts.googleapis.com×1

Social

Contact

Phone

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 0 topen-cz.mail.protection.outlook.com
  • 10 mxavas.forpsi.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificates

Loading certificate

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.topen.cz/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests
strict-transport-security
max-age=63072000

Links to (7)

Linked from (1)