duco.eu

HTML metadata

Title

DUCO Ventilation & Sun Control

Description

Today DUCO is a leading European producer of ventilation and solar shading systems which guarantee "naturally" a healthy, comfortable and energy-efficient indoor climate.

Language

en

Canonical

https://www.duco.eu

Translations

en ×3
fr ×3
nl ×2
de

Open Graph

title: DUCO Ventilation & Sun Control
description: Today DUCO is a leading European producer of ventilation and solar shading systems which guarantee "naturally" a healthy, comfortable and energy-efficient indoor climate.

Technology

Server: nginx
ASP.NET: 4.0.30319
jQuery: 1.10.1 known XSS (<3.5)
Stack: ASP.NET

Analytics

Google Tag Manager

Fonts

Adobe Fonts

Third-party hosts loaded (6)

code.jquery.com×3
cdnjs.cloudflare.com×2
use.typekit.net×1
ws.sharethis.com×1
www.google.com×1
www.googletagmanager.com×1

Social

DNS records live

NS

ns1.combell.eu
ns3.combell.net
ns4.combell.net

MX

10 duco-eu.mail.protection.outlook.com

TXT

Show 8 TXT records

oAlFemzyhdcUBAPsSy2rHfTHzA/CyjSCyYNS/LiOQokB+Cq5iQ4sUvxHAdzQK1eFzYh4MX41U/6joYEp83wawA==
6y2tgj40lggfwnfgwrxlt2rmtw6zwt4f
/pYcP+LUAU58eTY3OpFDDMBtYc2FOfRv7K+eGpn0xHlS3ECtDLwiwNRljttSo/Qi5QRSrQe1S94h0MdJ8pHzeg==
eh9/7ZaA1yd48mpf/9UguRTm4AO/XYH0jzqGeG6n62jXviARRgMkmxW9UBNa1IJsnf/6BvGBAeFmQ1J+kzdFww==
msfpkey=3pliel4x8raknjgxomtu513j5
_3uiwd79kzdwan9daz2wu253gkd6lonf
_9amwbsna02d0ob5ze3tcypb7y5yjnkd
spf2.0/pra include:spf.flexmail.eu ?all

Verified for

Apple
Atlassian
Dynamics 365
GlobalSign
Google
Meta
Microsoft 365

Email authentication strong

SPF

v=spf1 ip4:213.251.78.218  ip4:79.174.129.107 ip4:194.78.37.98  include:spf.emailsignatures365.com  include:spf.protection.outlook.com include:sendgrid.net include:_spf.relay.mailprotect.be include:spf.flowmailer.net include:spf.veroduco.hypernode.io -all

strict (-all)

DMARC

v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@inbound.flowmailer.net; ruf=mailto:dmarc@inbound.flowmailer.net; fo=1

policy: reject (enforced)

DKIM

Show 5 DKIM selectors

default: v=DKIM1;g=*;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv6spTbinoXySJ4LpXVmJw+F/oh+azwx7BbIseHo1bC7aFkelaYaoJ5xuiR3PwgNgByGEfTklwKFn…
selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCiD8fz0eAihwHNTvrBwgz0JfvKEi9Dz0jsa1h/hJNfgrPnAaV34cKjEqtUmzJjpXQrHUJtV3E0ZjuJY3iyUb…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmvKi/Tqbn7dXoXd4GRAkrg07Udu8/07t22sBZ/HKs+1VX84CZG+qtf9puo+SS50CkNzLU1N6yrbbH0…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA29xpyVLtFqcWPtGk866JtoGPC4YCPBggCrq1UgqsQ6GmQN72/PKeirILwZ13D4PgdCbtfPy8IquGyeL17V…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDvHmMdjLdvwt8VWv4lH0dKRASE6a+xz6nXgUjYk/reHFy4/MSmPH8unPcW7WQ9AOFEzpsAyLEljsHucg3GbEicB7…

selectors probed

Certificate (current)

R12

from 2026-04-23 to 2026-07-22

Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.duco.eu/

findings

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