yuxinchen.org

.org crawl

First seen 2026-04-30 · Last seen 2026-05-19 · ok HTTP/1.1 200 1660 ms crawled 2026-05-08

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector education type homepage

HTML metadata

Title
Yuxin Chen @ UChicago
Generator
MSHTML 6.00.2900.3627

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (2)

  • cdn.rawgit.com×1
  • maxcdn.bootstrapcdn.com×1

Social

Registration

Registrar
Squarespace Domains II LLC
Created
2019-07-25
Expires
2026-07-25 65 days left
Updated
2025-07-17
Name servers
  • ns-cloud-e1.googledomains.com
  • ns-cloud-e3.googledomains.com
  • ns-cloud-e2.googledomains.com
  • ns-cloud-e4.googledomains.com

DNS records live

NS
  • ns-cloud-e1.googledomains.com
  • ns-cloud-e2.googledomains.com
  • ns-cloud-e3.googledomains.com
  • ns-cloud-e4.googledomains.com
MX
  • 10 mxa.mailgun.org
  • 10 mxb.mailgun.org

Email authentication weak

SPF
v=spf1 include:mailgun.org ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-24 to 2026-07-23
Expires in 64 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://yuxinchen.org/

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

Links to (10)

Linked from (1)