default.cz

.cz dns

First seen 2026-05-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 1748 ms crawled 2026-05-19

CZ · 82.208.6.1 · AS15685 CASABLANCA INT a.s.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Neznámý hostitel / Unknown hostname

Technology

Server
Apache

Registration

Registrar
REG-GRANSY
Created
1999-10-13
Expires
2026-10-12 145 days left
Updated
2022-07-16
Name servers
  • ns2.default.cz
  • ns.default.cz

DNS records live

NS
  • ns.default.cz
  • ns2.default.cz
MX
  • 10 mx1.vizus.cz
  • 10 mx2.vizus.cz

Email authentication partial

SPF
v=spf1 include:spf.vizus.cz -all
strict (-all)
DMARC
v=DMARC1; p=none; sp=none; adkim=s; aspf=s; pct=100
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-28 to 2026-06-26
Expires in 37 days

HTTP security headers

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

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

Links to (1)