yupeilin.com

HTML metadata

Technology

CDN

Fastly

Server

GitHub.com

Analytics

• Google Tag Manager

Fonts

• Google Fonts

Third-party hosts loaded (4)

• cdn.jsdelivr.net×14
• fonts.googleapis.com×1
• polyfill.io×1
• www.googletagmanager.com×1

Social

• github
• linkedin
• twitter

Registration

Registrar

NameCheap, Inc.

Created

2014-02-11

Expires

2035-02-11 3190 days left

Updated

2025-09-28

Name servers

• dns1.registrar-servers.com
• dns2.registrar-servers.com

DNS records live

NS

• dns1.registrar-servers.com
• dns2.registrar-servers.com

MX

• 10 mx.ym.163.com

TXT

• openai-domain-verification=dv-mjx62BYugCeXmgn8HTz2I9Yp

Email authentication weak

SPF

v=spf1 include:spf.163.com ~all

softfail (~all)

DMARC

not published

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://yupeilin.com/

present

• strict-transport-security

findings

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

Links to (7)

• apple.com×2
• arxiv.org×2
• github.com×2
• jekyllrb.com×2
• linkedin.com×2
• stephenbach.net×2
• twitter.com×2

Linked from (1)

• stephenbach.net×1