jykoh.com

HTML metadata

Technology

CDN

Fastly

Server

GitHub.com

Fonts

• Font Awesome
• Google Fonts

Third-party hosts loaded (4)

• fonts.googleapis.com×2
• cdn.jsdelivr.net×1
• fonts.gstatic.com×1
• use.fontawesome.com×1

Social

• twitter
• youtube

Registration

Registrar

NameCheap, Inc.

Created

2022-09-05

Expires

2026-09-05 109 days left

Updated

2025-08-06

Name servers

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

DNS records live

NS

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

MX

• 10 eforward1.registrar-servers.com
• 10 eforward2.registrar-servers.com
• 10 eforward3.registrar-servers.com
• 15 eforward4.registrar-servers.com
• 20 eforward5.registrar-servers.com

TXT

• google-site-verification=5YAowYvUYSWUvUc_rbowSm2AbqAfp8sR2g35jSbSqbg

Email authentication weak

SPF

v=spf1 include:spf.efwd.registrar-servers.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 30/100 Checked live page: https://jykoh.com/

findings

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

Links to (11)

• microsoft.com×2
• mlcollective.org×2
• thecvf.com×2
• twitter.com×2
• youtube.com×2
• benchugg.com×2
• eccv2020.eu×2
• for.ai×2
• github.io×2
• google.com×2
• janestreet.com×2

Linked from (1)

• jiajunwu.com×2