indexo.dev

yuzhulin.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 7194 ms crawled 2026-05-19

CN · 47.103.121.233 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
雨竹林学习网
Description
雨竹林学习网 分享学习资料、生活百科，做您身边最专业的学习生活好帮手!

Technology

Server
nginx

Third-party hosts loaded (1)

  • news.lazyedu.cn×7

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2008-11-30
Expires
2034-11-30 3115 days left
Updated
2025-07-01
Name servers
  • dns5.hichina.com
  • dns6.hichina.com

DNS records live

NS
  • dns5.hichina.com
  • dns6.hichina.com
MX
  • 10 mx.mail.ym.163.com

Email authentication weak

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

Certificate (current)

R13
from 2026-03-30 to 2026-06-28
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://yuzhulin.com/

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

Links to (2)

Linked from (1)