matrix-as.cz

.cz crawl

First seen 2026-05-25 · Last seen 2026-06-01 · ok HTTP/1.1 200 2320 ms crawled 2026-05-29

CZ · 193.105.159.110 · AS24806 INTERNET CZ, a.s.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Domovská stránka | Matrix a.s.
Description
Matrix description

Technology

jQuery
3.2.1 known XSS (<3.5)
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • ajax.googleapis.com×1
  • www.googletagmanager.com×1

Contact

Phone

Registration

Registrar
REG-WEB4U
Created
2000-10-30
Expires
2026-10-30 150 days left
Updated
2019-10-16
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 ax.virusfree.cz
  • 20 bx.virusfree.cz
  • 30 cx.spamfree.cz
  • 40 dx.spamfree.cz
TXT
  • MS=81C9F1355E45D3D7124446CE01E04669FBD986E1
Verified for
  • Google

Email authentication partial

SPF
v=spf1 a mx ip4:176.227.250.201 ip4:188.134.214.244 ip4:193.105.159.110 include:spf.smartemailing.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:2me36rv4qi@dmarc-reports.ecomailapp.com,mailto:dmarc+674465@smartemailing.cz; fo=1
policy: none (monitoring only)
DKIM
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
  • mail: v=DKIM1; k=rsa; n=1024; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD+bahS6/KfL+XlcvgZDWvJWukgMLUQD2qFRD8gkiT3kr8YDm6+tQz3CJVczMvlwL9yxjNqicpE5W…
selectors probed

Certificate (current)

R13
from 2026-05-10 to 2026-08-08
Expires in 67 days

HTTP security headers

Header hygiene 60/100 Checked live page: https://matrix-as.cz/

present
  • strict-transport-security
  • x-frame-options
findings
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=63072000

Links to (2)

Linked from (6)