rn-kj.com

.com crawl

First seen 2026-05-25 · Last seen 2026-05-31 · ok HTTP/1.1 200 906 ms crawled 2026-05-29

US · 104.21.55.34 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: 大连瑞能科技工程有限公司
Description: 大连瑞能科技工程有限公司成立于2013年03月18日，注册地位于辽宁省大连经济技术开发区东北八街16号-B，法定代表人为孙祥瑞。经营范围包括楼宇智能化工程施工，信息技术工程设计及施工，多媒体工程设计及施工，机电设备安装工程施工；电子产品研发及销售；3D打印机生产、销售及售后服务；计算机软硬件销售及售后服务。（依法需批准的经营项目，须相关部门批准后，方可进行经营活动）***（依法须经批准的项目，经相关部门批准后方可开展经营活动。）
Language: en

Technology

CDN: Cloudflare
CMS: Gatsby

Registration

Registrar

NameSilo, LLC

Created

2026-05-12

Expires

2027-05-12 345 days left

Updated

2026-05-17

Name servers

fay.ns.cloudflare.com
piers.ns.cloudflare.com

DNS records live

NS

fay.ns.cloudflare.com
piers.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 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://rn-kj.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 (18)