dh.pl

.pl crawl

First seen 2026-05-20 · Last seen 2026-05-30 · ok HTTP/1.1 200 845 ms crawled 2026-05-27

PL · 51.83.140.105 · AS16276 OVH SAS

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Duda Holding
Canonical: https://dh.pl/

Open Graph

url: https://dh.pl/
title: Duda Holding

Technology

Server: nginx
PHP: 8.2.30 security-only

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

DNS records live

NS

ns1.dudadevelopment.pl
ns2.dudadevelopment.pl

MX

0 dh-pl.mail.protection.outlook.com

TXT

mojecertpl-site-verification-Wfxz2kqvib05ZSFbkpPyvGT7SttNZqNY

Email authentication strong

SPF

v=spf1 mx a:mail.dudadevelopment.pl ip4:185.49.151.107 ip4:85.14.108.228 ip4:85.14.108.236 ip4:80.87.37.146 ip4:80.87.35.58 include:_spf.emaillabs.net.pl include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc@vercom.pl,mailto:dmarc@youlead.io

policy: reject (enforced)

DKIM

default: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApeoANlVT6ebQy9jWfZ4PH3NHIF33MVUydVy+/fFC5C4mS6opXdg0I4b7KsqRonyM6WoYWA3ypSrjAuzgT+H/m…

selectors probed

Certificate (current)

R13

from 2026-05-03 to 2026-08-01

Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (2)

dudadevelopment.pl×1
pracodawcyrp.pl×1