jianerlu.com

HTML metadata

Technology

CDN

Cloudflare

Third-party hosts loaded (1)

• lf3-cdn-tos.bytescm.com×1

Registration

Registrar

July Name Limited

Created

2020-03-05

Expires

2028-03-05 623 days left

Updated

2026-06-18

Name servers

• ns1.julydns.com
• ns2.julydns.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 30/100 Checked live page: https://www.jianerlu.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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