czytelnia.pl

.pl crawl

First seen 2026-05-23 · Last seen 2026-05-28 · ok HTTP/1.1 200 879 ms crawled 2026-05-28

US · 104.21.77.221 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers weak subdomain policy

Classifying

HTML metadata

Title: Strona główna - Czytelnia.pl
Language: pl

Open Graph

title: Strona główna - Czytelnia.pl

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Fonts

Adobe Fonts

Third-party hosts loaded (4)

use.typekit.net×1
website-widgets.pages.dev×1
www.facebook.com×1
www.googletagmanager.com×1

DNS records live

NS

albert.ns.cloudflare.com
reza.ns.cloudflare.com

MX

4 route1.mx.cloudflare.net
82 route2.mx.cloudflare.net
90 route3.mx.cloudflare.net

TXT

v3rjsrp6wz08s8pc0drc7sxn1cbsyqpf

Email authentication strong

SPF: v=spf1 include:_u.czytelnia.pl._spf.smart.ondmarc.com ~all
softfail (~all)
DMARC: v=DMARC1; p=reject; pct=100; sp=none; rua=mailto:5352a03e@inbox.eu.redsift.cloud,mailto:75da2d4c@inbox.ondmarc.com; ruf=mailto:5352a03e@inbox.eu.redsift.cloud,mailto:75da2d4c@inbox.ondmarc.com; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
policy: reject (enforced) · sp=none
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-05-11 to 2026-08-09

Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://czytelnia.pl/

present

strict-transport-security

findings

short HSTS max-age
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=2592000; includeSubDomains; preload