indexo.dev

yundongk.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-12 · ok HTTP/1.1 200 2155 ms crawled 2026-05-08

CN · 120.25.1.114 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
运动课
Description
运动课成立于2015年8月，其自主研发的产品--运动课体培管理系统，通过教务管理、财务中心、数据中心、家校互动等功能版块，有效帮助机构提升运营效率。
Language
en

Technology

Server
nginx

Third-party hosts loaded (1)

  • at.alicdn.com×1

Contact

Phone

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2017-03-30
Expires
2027-03-30 314 days left
Updated
2025-10-30
Name servers
  • dns1.hichina.com
  • dns2.hichina.com

DNS records live

NS
  • dns1.hichina.com
  • dns2.hichina.com
MX
  • 10 mxw.mxhichina.com
  • 5 mxn.mxhichina.com

Email authentication weak

SPF
v=spf1 include:spf.mxhichina.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-02-24 to 2026-05-25
Expires in 5 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (2)