indexo.dev

ajtacek.cz

.cz crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 137 ms crawled 2026-06-04

US · 104.21.96.104 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

CDN
Cloudflare

Registration

Registrar
REG-WEDOS
Created
2022-01-15
Expires
2027-01-14 223 days left
Updated
2025-06-16
Name servers
  • hank.ns.cloudflare.com
  • mckenzie.ns.cloudflare.com

DNS records live

NS
  • hank.ns.cloudflare.com
  • mckenzie.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.google.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-08 to 2026-07-07
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)