yuyajiyan.com

.com crawl

First seen 2026-05-19 · Last seen 2026-05-31 · ok HTTP/1.1 200 13350 ms crawled 2026-05-25

US · 104.21.78.84 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

sector tech type homepage

HTML metadata

Title: 北京庆京电子科技有限公司
Description: 北京庆京电子科技有限公司成立于2006年02月27日，注册地位于北京市昌平区沙河镇于辛庄北四条3号，法定代表人为杨大庆。经营范围包括电子技术开发；销售计算机、软件及辅助设备、电子产品、机械设备、五金交电。。（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

DNS records live

NS

doug.ns.cloudflare.com
ingrid.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E8

from 2026-05-17 to 2026-08-15

Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://yuyajiyan.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)