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While Windows 10 and 8.1 do not have a built-in WHOIS command, you can use official command-line tools or dedicated Windows Store apps to view registration data for domains and IP addresses. Top WHOIS Tools for Windows 10 & 8.1

Whois (Sysinternals): The “official” command-line utility from Microsoft’s Sysinternals suite. It is a lightweight executable (whois.exe) that allows you to perform lookups directly from the Command Prompt or PowerShell.

Domain Checker by Vovsoft: A robust desktop application designed for bulk WHOIS lookups. It supports over 1,000 TLDs and allows you to import domain lists from files and export results to PDF or CSV.

Whois Lookup UWP: A native Universal Windows Platform (UWP) app available on the Microsoft Store. It provides a clean graphical interface for users who prefer not to use the command line.

SmartWhois: A specialized networking tool that identifies information for any given IP address or domain. It is often used for network troubleshooting and identifying the geographical location of an IP.

Whois Ultra: Another free option from the Microsoft Store that covers standard and internationalized top-level domains globally. Comparison of Top WHOIS View Tools Interface Type Whois (Sysinternals) Command Line Power users & Automation Microsoft Learn Domain Checker (Vovsoft) Desktop GUI Bulk domain hunting Whois Lookup UWP Windows App Quick, visual lookups Microsoft Store SmartWhois Desktop GUI Network troubleshooting How to Use the Microsoft Whois Tool

Download the Whois zip file and extract whois.exe to a folder (e.g., C:\tools).

Open Command Prompt (Press Win + R, type cmd, and hit Enter).

Run the command by typing the path followed by the domain:C:\tools\whois.exe google.com.

Pro-tip: For modern registration data that includes better privacy controls and structured JSON output, look for tools that support the RDAP protocol, which is the successor to WHOIS. Domain Checker for PC | Bulk whois lookup tool – Vovsoft