indexo.dev

jbr.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 602 ms crawled 2026-06-03

US · 172.67.184.249 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

CDN
Cloudflare

Registration

Registrar
REG-GRANSY
Created
2025-06-29
Expires
2027-06-28 382 days left
Updated
2026-01-22
Name servers
  • guss.ns.cloudflare.com
  • karina.ns.cloudflare.com

DNS records live

NS
  • guss.ns.cloudflare.com
  • karina.ns.cloudflare.com
MX
  • 10 friday.mxlogin.com
  • 20 friday-relay.mxlogin.com

Email authentication weak

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

Certificate (current)

WE1
from 2026-05-20 to 2026-08-18
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)

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