yellowwalnut.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-06-02 · ok HTTP/1.1 200 813 ms crawled 2026-05-30

DK · 185.95.24.245 · AS51468 One.com A/S

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Description: Ondernemen is onze passie! Yellow Walnut richt zich met 4 verschillende ventures op groei en ondersteuning van ondernemers en ondernemingen.
Language: en

Technology

Server: nginx
CMS: Gatsby
jQuery: 1.8.3 known XSS (<3.5)

Analytics

Google Tag Manager

Third-party hosts loaded (3)

maxcdn.bootstrapcdn.com×1
www.facebook.com×1
www.googletagmanager.com×1

Social

Contact

Email

info@yellowwalnut.nl

Phone

088-939 2500

DNS records live

NS

ns1.thednscompany.com
ns2.thednscompany.com
ns3.thednscompany.com

MX

0 yellowwalnut-nl.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication partial

SPF

v=spf1 a mx ip4:62.212.152.113 ip4:62.212.151.16 ip4:62.212.152.11 include:servers.mcsv.net include:_spf.nines.nl include:sendgrid.net include:spf.spamservice.nl include:spf.protection.outlook.com include:_spf.exactonline.nl ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1XwMzLNLe2PPM3DUTXE+uI6jGYSnCGlUVY/6ySD95Q1mPh/dFz+E1eANeijede3y055MZVl/QVPHlelZNP…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC+fPU2HU/1s9eWjqWp2h9//xbJUMr+0iU9m5O6/zTtRTtE96QtfDfU35RiM0s83EItMmy4scJu4mUQBc6icsR/Xg…

selectors probed

Certificate (current)

YR1

from 2026-05-30 to 2026-08-28

Expires in 85 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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