indexo.dev

tlucna.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 220 ms crawled 2026-06-02

CZ · 31.15.10.16 · AS25234 ACTIVE 24, s.r.o.

Reputation 62/100 wrong cert weak security headers weak subdomain policy

Classifying

Technology

Server
nginx

DNS records live

NS
  • ns1.ignum.com
MX
  • 10 3f52fd9fc7926525.mx2.emailprofi.seznam.cz
  • 20 3f52fd9fc7926525.mx1.emailprofi.seznam.cz

Email authentication strong

SPF
v=spf1 include:spf.seznam.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; sp=none; adkim=r; aspf=r; fo=1; ri=3600
policy: quarantine · sp=none
DKIM
no key found at common selectors

Certificate (current) wrong cert

ACTIVE24 self-signed
from 2025-11-12 to 2035-11-10
Expires in 3448 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://tlucna.cz/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (2)