indexo.dev

byznyspark.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 186 ms crawled 2026-06-02

US · 104.21.78.20 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

Technology

CDN
Cloudflare

Registration

Registrar
REG-SEONET
Created
2024-11-15
Expires
2026-11-14 163 days left
Updated
2025-07-26
Name servers
  • leonard.ns.cloudflare.com
  • sunny.ns.cloudflare.com

DNS records live

NS
  • leonard.ns.cloudflare.com
  • sunny.ns.cloudflare.com

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-17 to 2026-08-15
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://byznyspark.cz/

present
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer

Linked from (2)