indexo.dev

core-development.pl

.pl crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 1092 ms crawled 2026-06-01

PL · 51.77.54.43 · AS16276 OVH SAS

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
CORE Development | Deweloper Kraków & Zakopane
Description
CORE Development ⭐ Inwestycje w starannie wyselekcjonowanych lokalizacjach - Sprawdź nasze unikatowe projekty w Krakowie i Zakopanem
Language
pl
Canonical
https://www.core-development.pl
Translations
  • pl

Open Graph

url
https://www.core-development.pl
title
CORE Development | Deweloper Kraków & Zakopane
site name
Core Development
description
CORE Development ⭐ Inwestycje w starannie wyselekcjonowanych lokalizacjach - Sprawdź nasze unikatowe projekty w Krakowie i Zakopanem

Technology

Server
Apache
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts
Social widgets
  • Vimeo Embed

Third-party hosts loaded (5)

  • use.typekit.net×4
  • player.vimeo.com×2
  • p.typekit.net×1
  • www.facebook.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone
Address
Aleja 3 Maja 9, 30-062, Kraków, Małopolskie, PL

DNS records live

NS
  • dns15.ovh.net
  • ns15.ovh.net
MX
  • 1 mx4.mail.ovh.net
  • 10 mx3.mail.ovh.net

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-09 to 2026-07-08
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.core-development.pl/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
sameorigin
x-content-type-options
nosniff
content-security-policy
font-src *.gstatic.com *.typekit.net 'self' data:; script-src *.google.com *.googleapis.com *.gstatic.com *.googletagmanager.com *.google-analytics.com *.googleadservices.com googleads.g.doubleclick.net *.google.pl *.typekit.net *.facebook.com *.facebook.net *.livechatinc.com *.3destate.pl *.vimeo.com *.bing.com *.clarity.ms 'self' 'unsafe-inline' 'unsafe-eval'; style-src *.googleapis.com *.gstatic.com *.typekit.net 'self' 'unsafe-inline'; frame-src *.onebutton.pl *.vimeo.com *.youtube.com *.google.com *.googletagmanager.com *.doubleclick.net *.3destate.pl 'self'; object-src 'self'; upgrade-insecure-requests
strict-transport-security
max-age=15552000; preload

Links to (4)

Linked from (1)