ralkj.com

.com crawl

First seen 2026-04-21 · Last seen 2026-05-18 · ok HTTP/1.1 200 576 ms crawled 2026-05-18

ZA · 168.76.255.103 · AS137951 ASLINE LIMITED

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title: 上海润渡康网络科技有限公司
Description: 上海润渡康网络科技有限公司ralkj.com经营范围含:伴随诊断、个人保养、遥控器、印花布、养老机构信息化、培训、氢燃料电池汽车、二手设备、基础灌浆、水产（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）。

Open Graph

url: http://ralkj.com/
title: 上海润渡康网络科技有限公司
keywords: 上海润渡康网络科技有限公司,ralkj.com,标牌
site name: 上海润渡康网络科技有限公司
description: 上海润渡康网络科技有限公司ralkj.com经营范围含:伴随诊断、个人保养、遥控器、印花布、养老机构信息化、培训、氢燃料电池汽车、二手设备、基础灌浆、水产（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）。

Technology

Server: nginx

Third-party hosts loaded (1)

222.73.219.23×3

Contact

Phone

2868458587

Registration

Registrar

Hefei Juming Network Technology Co., Ltd

Created

2024-06-11

Expires

2026-06-11 23 days left

Updated

2026-05-14

Name servers

ns3.a1-w.com
ns4.a1-w.com

DNS records live

NS

ns1.a1-w.com
ns2.a1-w.com
ns3.a1-w.com
ns4.a1-w.com

Email authentication no MX

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

Certificate (current) wrong cert

R13

from 2026-05-04 to 2026-08-02

Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://ralkj.com/

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy