indexo.dev

dzkbxz.com

.com crawl

First seen 2026-04-21 · Last seen 2026-05-11 · ok HTTP/1.1 200 2072 ms crawled 2026-05-14

HK · 8.218.162.247 · AS45102 Alibaba US Technology Co., Ltd.

Reputation 100/100

Classifying

HTML metadata

Title
电子课本下载网 | 小学初高中教材 PDF 免费下载
Description
电子课本下载网提供小学、初中、高中电子课本免费下载与在线阅读，覆盖人教版、苏教版、北师大版等主流教材版本，支持高清 PDF、章节导航与快速搜索。
Language
zh-CN
Canonical
https://www.dzkbxz.com/

Open Graph

url
https://www.dzkbxz.com/
title
电子课本下载网 | 小学初高中教材 PDF 免费下载
description
课本网精选小学、初中、高中各年级电子课本，提供人教版、苏教版、北师大版等 PDF 高清下载与在线阅读。

Technology

Server
nginx
CMS
Next.js
Ads
  • Google AdSense

Third-party hosts loaded (2)

  • pagead2.googlesyndication.com×1
  • sdk.51.la×1

Contact

Email

Registration

Registrar
Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Created
2025-09-23
Expires
2026-09-23 126 days left
Updated
2025-09-23
Name servers
  • dns1.hichina.com
  • dns2.hichina.com

DNS records live

NS
  • dns1.hichina.com
  • dns2.hichina.com
TXT
  • google-site-verification=iLxjNKKRJzPxZZLJSrM3lXx4JpkjL1RKWz2w8-zhP68

Email authentication no MX

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

Certificate (current)

R12
from 2026-04-27 to 2026-07-26
Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://dzkbxz.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (4)

Linked from (1)