hanselmanj.eu

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Technology

Server

Apache

Third-party hosts loaded (2)

• cdn.jsdelivr.net×1
• polyfill.io×1

Social

• github

Contact

Phone

• 631 205 2252

DNS records live

NS

• ns1.desec.io
• ns2.desec.org

MX

• 10 mail.a4a.de

Email authentication weak

SPF

v=spf1 mx -all

strict (-all)

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://hanselmanj.eu/

findings

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

Links to (9)

• uni-kl.de×2
• ams.org×2
• arxiv.org×2
• computeralgebra.de×2
• doi.org×2
• github.com×2
• jrsijsling.eu×2
• mardi4nfdi.de×2
• templatestock.co×2

Linked from (1)

• antsxvii.org×2