helderzon.nl

HTML metadata

Technology

Server

Apache

Stack

Django

Analytics

• Google Tag Manager

Third-party hosts loaded (4)

• cdnjs.cloudflare.com×2
• content.morgeninternet.nl×1
• www.google.com×1
• www.googletagmanager.com×1

Social

• facebook
• youtube
• instagram

Contact

Email

• info@helderzon.nl
• e-mailinfo@helderzon.nl

Phone

• 0132032070

DNS records live

NS

• ns1.duocast.net
• ns2.duocast.net

MX

• 1 aspmx.l.google.com
• 10 alt3.aspmx.l.google.com
• 10 alt4.aspmx.l.google.com
• 5 alt1.aspmx.l.google.com
• 5 alt2.aspmx.l.google.com

Verified for

• Google

Email authentication partial

SPF

v=spf1 include:spf.mailplatform.eu include:_spf.duocast.net include:_spf.google.com include:_spf.2solar.nl +a +mx ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

• s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvmgdC5nIH7UjyJN4CrQhAno1dGpPR392HkqclRgJrRw/+Ehr2nq+NHPAeTKCXjME94ajE5clcLOJlkBHkV…
• s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4wmQnuJWB01r+4iSVbcoyIpQS/DWup0lF2SNWg+B7ElLI3FLwJUpEyzBobLs8DuzhDVpTdQpS0poX6TX9/…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.helderzon.nl/

present

• strict-transport-security
• x-frame-options
• x-content-type-options
• referrer-policy

findings

• missing Content Security Policy
• missing Permissions Policy

Links to (5)

• youtube.com×1
• wa.me×1
• instagram.com×1
• google.com×1
• facebook.com×1

Linked from (2)

• bestisol.com×1
• leefenergiebewust.nl×1