indexo.dev

stemhub.cz

.cz crawl

First seen 2026-05-11 · Last seen 2026-05-14 · ok HTTP/1.1 200 2615 ms crawled 2026-05-16

US · 172.67.140.48 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
STEM_HUB
Description
Komunita propojující studenty a odborníky ve STEM oborech.
Language
cs

Technology

CDN
Cloudflare
CMS
Next.js

Social

Contact

Email

Registration

Registrar
REG-WEDOS
Created
2024-10-31
Expires
2026-10-30 163 days left
Updated
2026-04-23
Name servers
  • lia.ns.cloudflare.com
  • peyton.ns.cloudflare.com

DNS records live

NS
  • lia.ns.cloudflare.com
  • peyton.ns.cloudflare.com
MX
  • 1 smtp.google.com
Verified for
  • Google

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkBzcpAo647UBKPeYd/Vw+lnEQjbMrweeVNWTI8jmNY245nLF66ya5rMRyhaPRg5k+YT9+QDrbUrK+L…
selectors probed

Certificate (current)

WE1
from 2026-04-23 to 2026-07-22
Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (2)

Linked from (1)