indexo.dev

visplzen.cz

.cz dns crawl

First seen 2026-05-23 · Last seen 2026-06-01 · ok HTTP/1.1 200 500 ms crawled 2026-05-28

CZ · 82.99.180.77 · AS25248 RADIOKOMUNIKACE a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

Server
Microsoft-IIS

Registration

Registrar
REG-QUANTCOM
Created
1999-02-12
Expires
2026-10-05 124 days left
Updated
2005-05-16
Name servers
  • names.dialtelecom.cz
  • sns.dialtelecom.cz

DNS records live

NS
  • names.dialtelecom.cz
  • sns.dialtelecom.cz
MX
  • 0 visplzen-cz.mail.protection.outlook.com
TXT
  • mx:smtpweb.ceskysoftware.cz ip4:217.198.120.156
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com include:_spf.svethostingu.cz a:mail.visplzen.cz a:smtp.visplzen.cz a:smtp2.visplzen.cz ip4:217.198.123.37 a:notes.visplzen.cz -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-06 to 2026-07-05
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://visplzen.cz/

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

Linked from (1)