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xinyuxue.com

.com ok HTTP/1.1 200 457 ms

First seen 2026-06-18 · Last seen 2026-06-18 · crawled 2026-06-18

US · 104.21.53.223 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

sector tech subsector it services type homepage

HTML metadata

Title
北京鑫宇学科技有限公司
Description
南京鑫宇学科技有限公司成立于2004年02月17日，注册地位于南京经济技术开发区智芯路2号红枫科技园D4栋西段2楼211室，法定代表人为金将。经营范围包括一般项目：技术服务、技术开发、技术咨询、技术交流、技术转让、技术推广；网络技术服务；电子元器件制造；电子元器件与机电组件设备制造；电力电子元器件销售；化工产品销售（不含许可类化工产品）；企业管理咨询；办公设备销售；计算机软硬件及辅助设备零售；电子产品销售；信息技术咨询服务；计算机系统服务；5G通信技术服务；承包或接受委托经营管理企业（限外国（地区）企业在中国境内从事生产经营活动）；环境保护监测；劳务服务（不含劳务派遣）；稀土功能材料销售；合成材料制造（不含危险化学品）；合成材料销售；新材料技术研发；新型催化材料及助剂销售；国内贸易代理；工程和技术研究和试验发展（除依法须经批准的项目外，凭营业执照依法自主开展经营活动）南京鑫宇学科技有限公司对外投资2家公司。
Language
en

Technology

CDN
Cloudflare
CMS
Gatsby

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2020-05-14
Expires
2027-05-14 328 days left
Updated
2026-06-16
Name servers
  • hasslo.ns.cloudflare.com
  • kallie.ns.cloudflare.com

DNS records live

NS
  • hasslo.ns.cloudflare.com
  • kallie.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

WE1
from 2026-06-16 to 2026-09-14
Expires in 86 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://xinyuxue.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 (2)

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