indexo.dev

kerno.pl

.pl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 764 ms crawled 2026-06-01

PL · 185.25.151.231 · AS41079 Cyber_Folks S.A.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Strona główna - Kerno
Language
pl-PL
Canonical
https://kerno.pl/

Open Graph

url
https://kerno.pl/
title
Strona główna - Kerno
locale
pl_PL
site name
Kerno

Technology

Server
nginx
CMS
WordPress
jQuery
3.7.1

Third-party hosts loaded (4)

  • lh3.googleusercontent.com×3
  • cdn.jsdelivr.net×2
  • d12aysojmo6zmn.cloudfront.net×2
  • gmpg.org×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.unixstorm.org
  • ns2.unixstorm.org
MX
  • 0 kerno-pl.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-16 to 2026-08-14
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://kerno.pl/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade, no-referrer-when-downgrade
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains

Links to (3)

Linked from (1)