dufor.nl

.nl crawl

First seen 2026-06-02 · Last seen 2026-06-04 · ok HTTP/1.1 200 1067 ms crawled 2026-06-03

BE · 77.241.81.31 · AS34762 Combell NV

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: DuFor
Language: en-US
Generator: WP Rocket 3.21.3
Canonical: https://www.dufor.nl/

Open Graph

url: https://www.dufor.nl/
title: DuFor
locale: en_US
site name: DuFor

Technology

Server: nginx
CMS: WordPress
jQuery: 3.7.1

Analytics

Google Tag Manager

Social widgets

YouTube Embed

Third-party hosts loaded (2)

www.googletagmanager.com×2
www.youtube.com×1

Social

Contact

Email

info@dufor.nl

Phone

+31 316 526 979

Address

Edisonstraat 90, 6902 PK, Zevenaar, Gelderland, The Netherlands

DNS records live

NS

ns0.transip.net
ns1.transip.nl
ns2.transip.eu

MX

40 dufor-nl.mail.protection.outlook.com

TXT

mailerlite-domain-verification=79d397951b5e486307dbe52e69192bdf0b9a87c8

Verified for

Google

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:servers.mcsv.net include:spf.de-1.a.mimecastprotect.com include:_spf.relay.mailprotect.be include:eu._extnetblocks.mimecast.com ip4:46.231.83.155 include:spf.tribecrm.nl include:_spf.mlsend.com ip4:104.245.209.198 -all

strict (-all)

DMARC

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

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCyN+MUdBM+70RTdpYG6/rOdrMl19sWcplzwf2rZUdFIL6xDsJ63TFimlbb8bQL4S1Ozy5Oe0fJuQCOLFME+8…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwKdwXSMAhv9BwecJ3Zo2UyEUFwoilKQcl3I57/ZLdhBSBnoPIu7ih5nOVfLJ1NlrfIg3YscQFYld/P…
k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…

selectors probed

Certificate (current)

Sectigo RSA Domain Validation Secure Server CA

from 2025-05-25 to 2026-06-25

Expires in 20 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.dufor.nl/

findings

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