indexo.dev

xuexitong.com

.com crawl

First seen 2026-05-30 · Last seen 2026-05-30 · ok HTTP/1.1 200 1100 ms crawled 2026-05-31

CN · 42.62.107.228 · AS23724 IDC, China Telecommunications Corporation

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
学习通

Technology

Stack
Java

Third-party hosts loaded (2)

  • p.ananas.chaoxing.com×6
  • p.cldisk.com×2

Contact

Phone

Registration

Registrar
Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Created
2009-05-19
Expires
2027-05-19 352 days left
Updated
2026-02-10
Name servers
  • dns11.hichina.com
  • dns12.hichina.com

DNS records live

NS
  • dns11.hichina.com
  • dns12.hichina.com

Email authentication no MX

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

Certificate (current)

WoTrus DV Server CA [Run by the Issuer]
from 2025-08-15 to 2026-09-07
Expires in 98 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://xuexitong.com/

present
  • strict-transport-security
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=0; includeSubDomains

Linked from (1)