yuchangedu.com

HTML metadata

Technology

Server

nginx

Third-party hosts loaded (1)

• 222.73.219.23×3

Registration

Registrar

Chengdu West Dimension Digital Technology Co., Ltd.

Created

2017-04-05

Expires

2027-04-05 298 days left

Updated

2026-05-15

Name servers

• ns1.363.hk
• ns2.363.hk
• ns3.363.hk
• ns4.363.hk

DNS records live

NS

• ns1.363.hk
• ns2.363.hk
• ns3.363.hk
• ns4.363.hk

Email authentication no MX

SPF

not published

DMARC

not published

DKIM

no key found at common selectors

Certificate (current) wrong cert

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://yuchangedu.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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