kanxue.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-14 · ok HTTP/1.1 200 3081 ms crawled 2026-05-06

CN · 36.158.231.206 · AS56047 China Mobile communications corporation

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title: 看雪学苑｜专业信息安全学习平台
Description: 看雪学苑｜软件与系统安全、逆向工程与漏洞研究的专业学习平台
Language: en

Open Graph

title: 看雪学苑｜软件与系统安全与逆向工程专业学习平台
site name: 看雪学苑｜专业信息安全学习平台
description: 看雪学苑专注于软件与系统安全、逆向工程与漏洞研究，提供体系化的信息安全学习与技术成长路径。

Technology

Analytics

Google Tag Manager

Third-party hosts loaded (2)

cstaticdun.126.net×1
www.googletagmanager.com×1

Contact

Phone

Registration

Registrar

eName Technology Co., Ltd.

Created

2006-06-03

Expires

2029-06-03 1111 days left

Updated

2025-03-31

Name servers

ns1.jiasule.net
ns1.jiasule.org
ns2.jiasule.net
ns2.jiasule.org

DNS records live

NS

ns1.cyudun.net
ns2.cyudun.net

MX

5 mxbiz1.qq.com

TXT

201908150618230tvfb2bz57663pw0z6joepb6mtrj93viapnrvvcdns7a5krkmn
202007230835121xfkispvqt35o80mr4b01wnr8idg7c7vi8vl3bkacqpmae87sd

Email authentication partial

SPF: v=spf1 include:spf.mail.qq.com ~all include:amazonses.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

TrustAsia TLS Pro RSA CA 2025

from 2025-10-14 to 2026-11-01

Expires in 166 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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