christophlassner.de

HTML metadata

Technology

CDN

Fastly

Server

GitHub.com

Fonts

• Google Fonts

Third-party hosts loaded (3)

• cdnjs.cloudflare.com×16
• cdn.jsdelivr.net×1
• fonts.googleapis.com×1

Social

• linkedin
• github
• youtube

Registration

Updated

2021-11-24

Name servers

• ns13.domaincontrol.com.
• ns14.domaincontrol.com.

DNS records live

NS

• ns13.domaincontrol.com
• ns14.domaincontrol.com

MX

• 10 mx01.mail.icloud.com
• 10 mx02.mail.icloud.com

TXT

• apple-domain=UHe6wniYzpw85oW9

Email authentication partial

SPF

v=spf1 redirect=icloud.com

no all qualifier

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://christophlassner.de/

findings

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

Links to (16)

• amazon.com×2
• arxiv.org×2
• ashbyhq.com×2
• bccn-tuebingen.de×2
• flycooler.com×2
• github.com×2
• github.io×2
• gohugo.io×2
• google.com×2
• linkedin.com×2
• mailhide.io×2
• mpg.de×2
• sourcethemes.com×2
• wikipedia.org×2
• worldlabs.ai×2
• youtube.com×2

Linked from (3)

• flycooler.com×2
• ricardomartinbrualla.com×2
• jonbarron.info×2