indexo.dev

gulixueyuan.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2491 ms crawled 2026-05-19

DE · 163.181.92.228 · AS24429 Zhejiang Taobao Network Co.,Ltd

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
谷粒学苑 - 尚硅谷旗下在线IT课程免费学习平台
Description
谷粒学苑为尚硅谷旗下IT课程在线学习平台。谷粒学苑会同多个知名开发团队联合制定的Java、前端、大数据、Python、Linux运维、嵌入式等课程，致力于打造业界更适合自学、代码量大、案例多、实战性强、技术贴合企业的IT在线视频学习平台！
Language
zh_CN

Technology

Server
ESA
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2017-08-04
Expires
2026-08-04 75 days left
Updated
2025-11-04
Name servers
  • kanchenjunga.ns.atrustdns.com
  • malawi.ns.atrustdns.com

DNS records live

NS
  • kanchenjunga.ns.atrustdns.com
  • malawi.ns.atrustdns.com

Email authentication no MX

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

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2025-09-30 to 2026-09-30
Expires in 132 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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 (1)