nfriedemann.de

HTML metadata

Technology

CDN

Cloudflare

CMS

WordPress 7.0

jQuery

3.7.1

Fonts

• Google Fonts

Third-party hosts loaded (1)

• fonts.googleapis.com×2

Registration

Updated

2026-03-11

Name servers

• dexter.ns.cloudflare.com.
• venus.ns.cloudflare.com.

DNS records live

NS

• dexter.ns.cloudflare.com
• venus.ns.cloudflare.com

Email authentication no MX

SPF

not published

DMARC

not published

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://nfriedemann.de/

findings

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

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