duoinvoice.pl

.pl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 1232 ms crawled 2026-06-02

PL · 195.117.150.254 · AS5617 Orange Polska Spolka Akcyjna

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title

Księgowość DuoInvoice – Księgowość DuoInvoice

Language

pl-PL

Generator

WordPress 6.7

Canonical

https://duoinvoice.pl/

Feeds

Technology

Server: nginx
CMS: WordPress 6.7
PHP: 8.3.31 security-only
jQuery: 3.7.1

Fonts

Google Fonts

Third-party hosts loaded (3)

fonts.googleapis.com×1
gmpg.org×1
maps.google.com×1

Contact

Email

biuro@duoinvoice.pl

Phone

882 751 102

DNS records live

NS

ns1.duoinvoice.pl
ns2.duoinvoice.pl

MX

10 mail.duoinvoice.pl

Email authentication strong

SPF

v=spf1 +a +mx +a:naughty-feynman.217-96-44-130.plesk.page -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; adkim=s; aspf=s

policy: quarantine

DKIM

default: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo8SSOmslgSUhAmQr/NOk1OB4uctHYSOE+dzrOu+GqjQ79mWaZzqvIgZaQTxcwZUf2Wf2ZFoDJev3/OgG4+vAS…

selectors probed

Certificate (current)

R13

from 2026-05-24 to 2026-08-22

Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (1)

adsome.pl×1