indexo.dev

yinzhicao.org

.org crawl

First seen 2026-05-02 · Last seen 2026-05-20 · ok HTTP/1.1 200 1810 ms crawled 2026-05-08

US · 66.96.149.32 · AS29873 Newfold Digital, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Welcome to Yinzhi Cao's Homepage
Language
en

Technology

Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Registration

Registrar
Tucows Domains Inc.
Created
2014-07-07
Expires
2029-07-07 1143 days left
Updated
2024-05-28
Name servers
  • ns1.domain.com
  • ns2.domain.com

DNS records live

NS
  • ns1.domain.com
  • ns2.domain.com
MX
  • 30 mx.yinzhicao.org

Email authentication weak

SPF
v=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all
neutral (?all)
DMARC
not published
DKIM
  • dkim: v=DKIM1; t=y; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4fju5dRLECYeUvZEy2idRbmGYamu6ezAU8wSqMiwYOy3nnud83HS1VLn5VDpWim8lTgQd3gQD…
selectors probed

Certificate (current)

E7
from 2026-03-04 to 2026-06-02
Expires in 13 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (42)

Linked from (4)