Usr.cn - Usr

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www.usr.cn website info

Homepage

Title: 串口服务器,4G DTU,工业路由器,以太网/NB/蓝牙/Lora/WIFI模块 -济南有人物联网技术有限公司官网
Description: 有人物联网定位为工业物联网专家，以联网的事情找有人为企业文化。主营串口服务器、4G工业级无线路由器、nbiot模块、LoRa网关/模块、GPRS/4G DTU、GPRS/4G模块、蓝牙模块、串口WIFI模块、WIFI无线串口服务器、串口转以太网模块、超级网口以及开发评估板等。主要工作原理是将RS232、RS485、TTL电平的UART串口转有线以太网、无线WIFI、移动蜂窝网络，广泛应用在数据采集、远程控制的产品和解决方案中。
URL: https://www.usr.cn/

Meta keywords This site is about

  • 4G DTU
  • 4G工业路由器
  • 4G无线路由器
  • 4G模块
  • GPRS DTU
  • GPRS模块
  • WIFI模块
  • lora
  • lora模块
  • nbiot
  • nbiot模块
  • 串口WIFI模块
  • 串口服务器
  • 串口联网服务器
  • 串口转以太网模块
  • 无线串口服务器
  • 无线模块
  • 蓝牙模块
  • 超级网口

Other meta

  • copyright: 2008-2021 www.usr.cn 古欣
  • format-detection: telephone=no
  • renderer: webkit
  • title: 串口服务器,4G DTU,工业路由器,以太网/NB/蓝牙/Lora/WIFI模块-济南有人物联网技术有限公司官网
  • viewport: width=device-width, initial-scale=1

Webserver

Signature: Tengine
Response status code: 200
Response speed: 4324 milliseconds

HTTP headers

  • Ali-Swift-Global-Savetime: 1612662872
  • Cache-Control: max-age=43200
  • Connection: keep-alive
  • Content-Encoding: gzip
  • Content-Length: 11381
  • Content-Type: text/html; charset=utf-8
  • Date: Sun, 07 Feb 2021 01:54:32 GMT
  • EagleId: 7160b39d16126628723293997e
  • Expires: Sun, 07 Feb 2021 13:54:32 GMT
  • Pragma: no-cache
  • Set-Cookie: PHPSESSID=nbefrgt14eso53ia8rju7e74e5; path=/
  • Timing-Allow-Origin: *
  • Upgrade: h2,h2c
  • Vary: Accept-Encoding
  • Via: cache51.l2cn2639[71,200-0,M], cache17.l2cn2639[72,0], vcache2.cn2368[83,200-0,M], vcache9.cn2368[94,0]
  • X-Cache: MISS TCP_MISS dirn:-2:-2
  • X-Powered-By: PHP/5.6.40
  • X-Swift-CacheTime: 0
  • X-Swift-SaveTime: Sun, 07 Feb 2021 01:54:32 GMT
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WHOIS usr.cn

The « WhoIs » is a publicly available database that stores the registration information on a domain name.

Record last update: Sunday, February 7, 2021
Registrar: 厦门易名科技股份有限公司
Domain status: clientTransferProhibited
Nameservers: ns1.alidns.com and ns2.alidns.com

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DNS data

« DNS » (Domain Name System) is the phone book for the Internet. It converts human readable names like "usr.cn" to a phone number so computers can call each other. Well, actually Internet uses IP Addresses, not phone numbers.

Apex

SOA

TTL: 600
Serial number: 2019081512
Retry: 1200
Negative caching time: 360
Primary master: ns1.alidns.com.
Zone admin: hostmaster.hichina.com.
Refresh: 3600
Expire: 86400

NS

TTL: 86400
Servers: ns2.alidns.com and ns1.alidns.com

MX

TTL: 600
Servers:

  • mxbiz2.qq.com - 10
  • mxbiz1.qq.com - 10

A

TTL: 600
Canonical name: usr.cn.
Address: 203.107.43.165

www.usr.cn

A

TTL: 60
Canonical name: www.usr.cn.w.kunlungr.com.
Address: 113.96.179.222

usr.cn live DNS

Check live dns records for usr.cn on dnstoolkit.net

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