tianguo.info

HTML metadata

Technology

CDN

Fastly

Server

GitHub.com

Fonts

• Google Fonts

Third-party hosts loaded (4)

• cdn.jsdelivr.net×3
• cdnjs.cloudflare.com×3
• fonts.googleapis.com×2
• fonts.gstatic.com×1

Social

• twitter
• github
• linkedin

Contact

Address

st Updated: May 11, 2026

Registration

Registrar

GoDaddy.com, LLC

Created

2016-01-31

Expires

2027-01-31 255 days left

Updated

2026-03-17

Name servers

• ns53.domaincontrol.com
• ns54.domaincontrol.com

DNS records live

NS

• ns53.domaincontrol.com
• ns54.domaincontrol.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://tianguo.info/

findings

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

Links to (10)

• acm.org×2
• arxiv.org×2
• ashkanganj.me×2
• github.com×2
• google.com×2
• javiervelatambo.com×2
• linkedin.com×2
• samogden.net×2
• twitter.com×2
• zhaoyiyang.me×2

Linked from (3)

• zhaoyiyang.me×2
• ruofeidu.com×2
• duruofei.com×2