indexo.dev

caao.net

.net crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 7111 ms crawled 2026-05-19

HK · 43.154.24.40 · AS132203 Tencent Building, Kejizhongyi Avenue

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
曹操读书网--中文TXT电子书导读免费下载资源聚合门户！
Description
曹操读书网主要提供txt格式网络小说,文学名著,学习教程,社科书籍电子书免费下载.本站的宗旨在于为您提供海量的txt小说下载资源聚合服务，我们不储存所有TXT格式电子书，只提供电子书导读和电子书资源聚合,欢迎您经常光临!

Technology

Server
nginx

Contact

Phone

Registration

Registrar
Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Created
2020-07-06
Expires
2026-07-06 46 days left
Updated
2025-06-23
Name servers
  • dns29.hichina.com
  • dns30.hichina.com

DNS records live

NS
  • dns29.hichina.com
  • dns30.hichina.com
Verified for
  • Google

Email authentication no MX

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

Certificate (current)

R12
from 2026-04-02 to 2026-07-01
Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.caao.net/

present
  • strict-transport-security
findings
  • checked over plain HTTP
  • 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 (3)

Linked from (1)