jrs999.com

HTML metadata

Technology

CDN

Cloudflare

CMS

Gatsby

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2019-04-25

Expires

2027-04-25 309 days left

Updated

2026-06-15

Name servers

• meiling.ns.cloudflare.com
• sam.ns.cloudflare.com

DNS records live

NS

• meiling.ns.cloudflare.com
• sam.ns.cloudflare.com

Email authentication no MX

SPF

not published

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://jrs999.com/

findings

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

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