chengrenxueyuan.com

HTML metadata

Technology

CDN

Cloudflare

jQuery

1.7.2 known XSS (<3.5)

Registration

Registrar

Gname.com Pte. Ltd.

Created

2021-03-06

Expires

2027-03-06 268 days left

Updated

2026-05-04

Name servers

• ingrid.ns.cloudflare.com
• wesley.ns.cloudflare.com

DNS records live

NS

• ingrid.ns.cloudflare.com
• wesley.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 35/100 Checked over plain HTTP: http://www.chengrenxueyuan.com/

findings

• checked over plain HTTP
• missing Content Security Policy
• missing frame protection
• missing content type protection
• missing Referrer Policy
• missing Permissions Policy

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