indexo.dev

91goodschool.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 8954 ms crawled 2026-05-18

CN · 175.12.90.35 · AS151823 China Telecom

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
好学校官网-找正规学校，就上好学校！
Description
好学校是中国领先的在线教育服务提供商，提供覆盖各大城市的资质认证学校、强大智慧的课程和地图搜索、优质课程、真实用户点评、请教师兄、低价赔付和读书保障等教育服务，使学员可以在获取广泛信息的基础上做出更好的求学决定，帮助学员找到好学校。

Technology

Server
nginx

Third-party hosts loaded (1)

  • icon.szfw.org×1

Contact

Phone

Registration

Registrar
Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Created
2012-12-20
Expires
2026-12-20 214 days left
Updated
2024-11-20
Name servers
  • apple.dnspod.net
  • beverly.dnspod.net

DNS records live

NS
  • apple.dnspod.net
  • beverly.dnspod.net
CNAME
  • 91goodschool.com.a.bdydns.com

Email authentication no MX

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

Certificate (current)

RapidSSL TLS RSA CA G1
from 2026-01-13 to 2027-02-12
Expires in 268 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.91goodschool.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 (3)