indexo.dev

liupinshuyuan.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-07 · ok HTTP/1.1 200 1999 ms crawled 2026-05-07

CN · 81.69.155.12 · AS45090 Shenzhen Tencent Computer Systems Company Limited

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
在线书法培训-书法国画练字教学视频-六品堂免费直播官网
Description
六品书画课堂是以书法培训，国画篆刻教育为基础的在线书法教育培训平台。为书法爱好者提供免费书法培训视频，书法直播课，书法行业干货等书法教育服务，提供硬笔、毛笔、国画、篆刻等课程。

Technology

Server
nginx

Third-party hosts loaded (1)

  • xsjy-1254153797.cos.ap-shanghai.myqcloud.com×17

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2018-01-20
Expires
2028-01-20 609 days left
Updated
2019-12-19
Name servers
  • dns1.hichina.com
  • dns2.hichina.com

DNS records live

NS
  • dns1.hichina.com
  • dns2.hichina.com
MX
  • 10 mxbiz2.qq.com
  • 5 mxbiz1.qq.com

Email authentication partial

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

Certificate (current)

DNSPod RSA OV
from 2025-04-22 to 2026-05-23
Expires in 2 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (1)