indexo.dev

zse.rzeszow.pl

.pl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 267 ms crawled 2026-06-01

US · 104.21.64.27 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Pracownia Systemów Operacyjnych
Language
pl

Technology

CDN
Cloudflare
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

DNS records live

NS
  • alla.ns.cloudflare.com
  • hal.ns.cloudflare.com
MX
  • 10 s74.cyber-folks.pl

Email authentication weak

SPF
v=spf1 a mx include:_spf.cyberfolks.pl -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-07 to 2026-08-05
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://zse.rzeszow.pl/

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

Linked from (1)