bjleiyu.com

.com crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 462 ms crawled 2026-05-31

US · 104.21.72.44 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: 北京雷宇斯特科技发展有限公司
Description: 北京雷宇斯特科技发展有限公司成立于2005年04月29日，注册地位于北京市海淀区苏州街彩和坊南区长远天地大厦B座7层09号房，法定代表人为张永。经营范围包括技术开发、技术转让、技术咨询、技术服务；软件开发；计算机系统服务；数据处理（数据处理中的卡中心、PUE值在1.5以上的云计算数据中心除外）。（企业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；不得从事本市产业政策禁止和限制类项目的经营活动。）
Language: en

Technology

CDN: Cloudflare
CMS: Gatsby

Registration

Registrar

NameSilo, LLC

Created

2026-05-18

Expires

2027-05-18 351 days left

Updated

2026-05-22

Name servers

aron.ns.cloudflare.com
clint.ns.cloudflare.com

DNS records live

NS

aron.ns.cloudflare.com
clint.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E8

from 2026-05-22 to 2026-08-20

Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://bjleiyu.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 (14)