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www4a.byos.hk 是子域名，已按它的注册域 byos.hk 查询 —— Whois 只登记注册域，子域名没有独立的注册记录。

byos.hk

最近查询刚刚 · 2026-09-30 00:45 · 累计 1 次 刚刚抓取

注册状态	已注册
域名状态	Active
Whois 服务器	whois.hkirc.hk
数据来源	本次实时抓取（已写入数据库）

查看同 IP 站点 → DNS 记录 → 综合检测 →

原始 Whois 数据

----------------------------------------------------------------------  
 Whois server by HKIRC
---------------------------------------------------------------------- 
 .hk top level Domain names can be registered via HKIRC-Accredited Registrars. 
 Go to https://www.hkirc.hk/content.jsp?id=280 for details. 
----------------------------------------------------------------------

Domain Name Information:

Domain Name:  BYOS.HK Bundled Domain Name:  BYOS.香港 
Contract Version:   HKDNR latest version   
Domain Name Commencement Date: 15-11-2018
Expiry Date:  16-11-2029 
Re-registration Status:  Complete   
Domain Status: Active 

DNSSEC:
  unsigned  

Registrar Name: Hong Kong Domain Name Registration Company Limited

Registrar Contact Information: Email: enquiry@hkdnr.hk                       Hotline: +852 2319 1313

Reseller: 


CDN Variant / Punycode


Registrant Contact Information:

Holder English Name (It should be the same as your legal name on your HKID card or other relevant documents):  KWOK FAI CHENG 
Holder Chinese Name:   
Country: Hong Kong (HK)
Email:  kfcheng.hk@gmail.com 

Name Servers Information:

RAY.NS.CLOUDFLARE.COM   
RUTH.NS.CLOUDFLARE.COM   


Status Information:

Domain Prohibit Status: 


---------------------------------------------------------------------- 
 The Registry contains ONLY .com.hk, .net.hk, .edu.hk, .org.hk, 
 .gov.hk, idv.hk. and .hk domains. 
----------------------------------------------------------------------

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