rudolf-net.cz

.cz crawl dns

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 943 ms crawled 2026-06-01

CZ · 193.138.152.7 · AS197393 ISP Alliance a.s.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
rudolf-net.cz - internet, televize, hlasové služby
Description
rudolf-net.cz - přední poskytovatel internetového připojení v Náchodě, Hronově, Polici nad Metují, Meziměstí a okolí.
Language
cs

Technology

Server
Apache
jQuery
2.1.4 known XSS (<3.5)
Stack
PHP
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • maps.google.com×1

Contact

Phone

DNS records live

NS
  • ns1.rudolf-net.cz
  • ns2.rudolf-net.cz
MX
  • 10 email.rudolf-net.cz
Verified for
  • Google

Email authentication strong

SPF
v=spf1 mx a include:mailgun.org ip4:193.138.152.0/24 -all
strict (-all)
DMARC
v=DMARC1;p=reject;rua=mailto:ladislav@rudolf-net.cz
policy: reject (enforced)
DKIM
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6Z/nVGckRSex2YOMyMSxLtrin5rMgHceKnJmokBsh11/9vrwPERGDWadyxSG0UBna25n…
selectors probed

Certificate (current)

E7
from 2026-04-20 to 2026-07-19
Expires in 47 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.rudolf-net.cz/

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

Links to (1)

Linked from (1)