svenknebel.de

HTML metadata

Technology

Server

nginx

CMS

Gatsby

Third-party hosts loaded (2)

• indieauth.com×1
• tokens.indieauth.com×1

Social

• github
• twitter

Registration

Updated

2026-04-14

Name servers

• ns1.axcoredns.com.
• ns2.axcoredns.org.

DNS records live

NS

• ns1.axcoredns.com
• ns2.axcoredns.org

MX

• 10 mxext1.mailbox.org
• 10 mxext2.mailbox.org
• 10 mxext3.mailbox.org

Email authentication weak

SPF

v=spf1 include:mailbox.org

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://www.svenknebel.de/posts/

findings

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

Links to (9)

• indieweb.org×4
• demozoo.org×3
• github.com×3
• khlebnikov.net×3
• mozilla.org×3
• steampowered.com×3
• twitter.com×3
• archlinux.org×3
• wikisource.org×3

Linked from (1)

• microformats.org×2