centos.com.pl

.pl crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 297 ms crawled 2026-06-04

US · 172.67.148.49 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
CentOS - otwarty system operacyjny dla biznesu
Description
Strona poświęcona jest dystrybucji CentOS, będącej bezpłatnym klonem komercyjnego RHEL. Mnogość porad i tutoriali powinna każdemu zainteresowanemu pomóc.
Language
pl-PL
Generator
All in One SEO (AIOSEO) 4.9.7.2
Canonical
https://centos.com.pl/
Feeds

Open Graph

url
https://centos.com.pl/
locale
pl_PL
site name
CentOS- otwarty system operacyjny dla biznesu | CentOS- otwarty system operacyjny dla biznesu

Technology

CDN
Cloudflare
CMS
WordPress
jQuery
3.7.1
Analytics
  • Cloudflare Insights
Ads
  • Google AdSense
  • Meta Pixel

Third-party hosts loaded (4)

  • connect.facebook.net×1
  • pagead2.googlesyndication.com×1
  • static.cloudflareinsights.com×1
  • www.w3.org×1

DNS records live

NS
  • eva.ns.cloudflare.com
  • rajeev.ns.cloudflare.com
MX
  • 10 mx1.centos.pl
  • 20 mx2.centos.pl
  • 30 mx1.centos.pl
Verified for
  • Google

Email authentication strong

SPF
v=spf1 a mx -all
strict (-all)
DMARC
v=DMARC1;p=reject;pct=100;rua=mailto:admin@p-project.pl
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-14 to 2026-08-12
Expires in 67 days

HTTP security headers

Header hygiene 55/100 Checked live page: https://centos.com.pl/

present
  • strict-transport-security
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=0; includeSubDomains

Links to (16)

Linked from (1)