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kaoshixueyuan.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-19 · ok HTTP/1.1 200 1224 ms crawled 2026-05-14

US · 104.21.50.141 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
北京宁扬科技有限公司
Description
北京宁扬信创科技有限公司成立于2018年04月28日，注册地位于北京市海淀区中关村大街18号11层1118-49，法定代表人为郭子扬。经营范围包括技术服务、技术转让、技术开发、技术推广、技术咨询；销售自行开发的产品。（市场主体依法自主选择经营项目，开展经营活动；依法须经批准的项目，经相关部门批准后依批准的内容开展经营活动；不得从事国家和本市产业政策禁止和限制类项目的经营活动。）北京宁扬信创科技有限公司对外投资2家公司。
Language
en

Technology

CDN
Cloudflare
CMS
Gatsby

Third-party hosts loaded (1)

  • cdn.staticfile.org×1

Registration

Registrar
July Name Limited
Created
2025-11-12
Expires
2026-11-12 175 days left
Updated
2026-03-07
Name servers
  • johnathan.ns.cloudflare.com
  • mina.ns.cloudflare.com

DNS records live

NS
  • johnathan.ns.cloudflare.com
  • mina.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E7
from 2026-05-05 to 2026-08-03
Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (50)

Linked from (50)