yinqian.org

HTML metadata

Technology

CDN

Fastly

Server

GitHub.com

Registration

Registrar

IONOS SE

Created

2020-07-07

Expires

2026-07-07 47 days left

Updated

2025-07-06

Name servers

• ns1037.ui-dns.org
• ns1058.ui-dns.de
• ns1072.ui-dns.com
• ns1123.ui-dns.biz

DNS records live

NS

• ns1037.ui-dns.org
• ns1058.ui-dns.de
• ns1072.ui-dns.com
• ns1123.ui-dns.biz

MX

• 10 mx00.ionos.com
• 10 mx01.ionos.com

Email authentication partial

SPF

v=spf1 include:_spf-us.ionos.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

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://yinqian.org/

findings

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

Links to (20)

• google.com×5
• sigsac.org×4
• ieee-infocom.org×4
• cloudcom.org×4
• cyprusconferences.org×3
• digitalcommonsdata.com×3
• github.io×3
• ibm.com×3
• ieee-security.org×3
• ieee.org×3
• internetsociety.org×3
• ndss-symposium.org×3
• securecomm.org×3
• teecertlabs.com×3
• uni-trier.de×3
• ares-conference.eu×3
• usenix.org×3
• athene-center.de×3
• ccsw.io×3
• codaspy.org×3

Linked from (3)

• ccsw.io×3
• yarom.org×3
• cipherleaks.com×1