indexo.dev

mastertherm.cz

.cz crawl

First seen 2026-05-23 · Last seen 2026-05-31 · ok HTTP/1.1 200 778 ms crawled 2026-05-28

CZ · 217.198.119.176 · AS34222 ZONER a.s.

Reputation 100/100

Classifying

HTML metadata

Title
MasterTherm – česká tepelná čerpadla od roku 1994
Description
Master Therm je česká firma vyrábějící unikátní tepelná čerpadla již od roku 1994 ✓ Ušetřete až 75 % nákladů ✓ Cenový a technický návrh ZDARMA ✓️ mastertherm.cz
Language
cs
Canonical
https://www.mastertherm.cz/

Open Graph

url
https://www.mastertherm.eu/
title
| Master Therm Heat Pumps since 1994
locale
cs_CZ

Technology

Server
Microsoft-IIS
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

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

Social

Contact

Email
Phone

DNS records live

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

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@mastertherm.cz
policy: quarantine
DKIM
Show 4 DKIM selectors
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC4Yfh1DsxjWTj4Yk+IpmLtx0nVQwNeVZkAMgOZzpzlxxqpuLtXzOetThLxbTdN2nEayKhOhNl/4ENYBFlpTc…
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsq4rWwgje7/TQAQlRgAzF1YQLPx/0KAWvWzKZ3dGFjAjnwYM6H3jiO1QWaOmwI3GJEe1CwhH26pbV5…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr2cCmrjgdNol6MsLQ53cmWrGwAEUKF9rBNnFpsVLDiissJkl3+CT0rOyn6IP7zFjx1oskVkeHEntBX…
  • mail: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGwXFaO15WYowt3jULkYIFcmzCCy03JSyC4hqstVe3Y8iPLx2g9uXNeUQptHc5wOHrfpHEVG1ryQHW83RFJhklUjjMF…
selectors probed

Certificate (current)

R12
from 2026-04-18 to 2026-07-17
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.mastertherm.cz/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains

Links to (24)

Linked from (1)