nk.com.pl

.pl crawl

First seen 2026-05-29 · Last seen 2026-06-01 · ok HTTP/1.1 200 387 ms crawled 2026-05-31

PL · 89.161.253.242 · AS12824 home.pl sp. z o.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Wydawnictwo NASZA KSIĘGARNIA
Description: Wydawnictwo NASZA KSIĘGARNIA - książki dla dzieci, młodzieży i dorosłych
Language: pl
Canonical: https://nk.com.pl/

Technology

Server: Apache

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

DNS records live

NS

dns.home.pl
dns2.home.pl
dns3.home.pl

MX

10 nk.com.pl

Verified for

Google
Microsoft 365

Email authentication weak

SPF

v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com ip4:79.96.65.34 ip4:89.161.253.242 a mx -all

strict (-all)

DMARC

not published

DKIM

dkim: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtT9tdUy9YalpACHTU1UnccDO2rMSUG0zWV/mMvqRBFCOWVCxFnlDt/Ce0734ZET8/UIENLJ3zmyqEU…

selectors probed

Certificate (current)

home pl DV TLS G2 R35 CA

from 2025-10-13 to 2026-11-12

Expires in 163 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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