indexo.dev

yunhaiwang.net

.net crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2304 ms crawled 2026-05-19

HK · 47.240.41.27 · AS45102 Alibaba US Technology Co., Ltd.

Reputation 95/100 weak security headers

sector other type homepage

HTML metadata

Title
Yunhai Wang's homepage at DEKE/RUC

Technology

Server
nginx

Third-party hosts loaded (4)

  • cdn.clustrmaps.com×1
  • s13.cnzz.com×1
  • web.siat.ac.cn×1
  • www4.clustrmaps.com×1

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2019-07-03
Expires
2030-07-03 1504 days left
Updated
2021-06-17
Name servers
  • dns23.hichina.com
  • dns24.hichina.com

DNS records live

NS
  • dns23.hichina.com
  • dns24.hichina.com

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

ZeroSSL RSA DV SSL CA 2
from 2026-04-21 to 2026-07-21
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://yunhaiwang.net/

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

Links to (4)

Linked from (2)