indexo.dev

jisuanke.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-07 · ok HTTP/1.1 200 5194 ms crawled 2026-05-10

FI · 43.109.101.8 · AS24429 Zhejiang Taobao Network Co.,Ltd

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Jisuanke
Description
从感兴趣、有信心到享受成就感——多年来致力于发展让孩子主动、家长放心的信息学教育。智能教育技术驱动，专注学习的科学，助力孩子成长为国家科技高质量自立自强需要的人才。
Language
zh-cmn-Hans

Technology

Server
Tengine

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2014-06-28
Expires
2029-06-28 1134 days left
Updated
2022-11-01
Name servers
  • ns3.dnsv2.com
  • ns4.dnsv2.com

DNS records live

NS
  • ns3.dnsv2.com
  • ns4.dnsv2.com
MX
  • 10 mxbiz2.qq.com
  • 5 mxbiz1.qq.com
CNAME
  • jisuanke.com.w.cdngslb.com

Email authentication weak

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

Certificate (current)

E7
from 2026-03-26 to 2026-06-24
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.jisuanke.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • short HSTS max-age
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • weak frame protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade
x-frame-options
ALLOW-FROM tongji.baidu.com
x-content-type-options
nosniff
content-security-policy
base-uri 'self';img-src * blob: data:;worker-src * blob: data:;script-src 'unsafe-eval' 'unsafe-inline' *.jisuanke.com *.jsktesting.com lxbjs.baidu.com *.easyliao.com isite.baidu.com *.meiqia.com push.zhanzhang.baidu.com *.jskstaging.com zz.bdstatic.com https://api.suanfaedu.com hm.baidu.com t.captcha.qq.com tag.baidu.com captcha.gtimg.com tongji.baidu.com ssl.captcha.qq.com *.polyv.net *.videocc.net *.agora.io turing.captcha.qcloud.com *.agora.io:* turing.captcha.gtimg.com *.agoraio.cn *.agoraio.cn:* *.alicdn.com;style-src 'unsafe-inline' 'self' *.jisuanke.com *.jsktesting.com *.jskstaging.com https://api.suanfaedu.com *.easyliao.com g.alicdn.com;frame-ancestors 'self' *.htwcode.cn steamfs.com *.steamfs.com kaikeba.com *.kaikeba.com haizeix.com *.haizeix.com sjtustudy.com *.sjtustudy.com matherix.com testalent.com *.matherix.com *.testalent.com xshcs.com *.xshcs.com lms.jiahongkt.com lms.yuexin-edu.com rui.jiahongkt.com oi.jiahongkt.com in.jiahongkt.com study.jiahongkt.com go.jiahongk
strict-transport-security
max-age=604800

Linked from (1)