guysecuritytraining.com

HTML metadata

Technology

Server

openresty

Third-party hosts loaded (2)

• img.alicdn.com×14
• cbu01.alicdn.com×4

Registration

Registrar

Chengdu Fly-Digital Technology Co., Ltd.

Created

2026-04-21

Expires

2027-04-21 336 days left

Updated

2026-04-21

Name servers

• ns1.judns.com
• ns2.judns.com

DNS records live

NS

• ns1.julydns.com
• ns2.julydns.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.guysecuritytraining.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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Linked from (4)

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