Whois performs the registration record for the domain name or IP address that you specify.
Publisher’s description
What is Whois?
Whois is a proprietary program for Windows from Sysinternals.
Installation and requirements
Official installers exist for 64-bit, ARM64 and 32-bit as Portable. The main installer is 599 KB. It runs without installation (portable).
Pros / Cons
Pros
- Native ARM64 build for Windows on Arm
- Portable: runs without installation
- Small download (599 KB)
Cons
- Proprietary licence: check the terms and price
- No update for more than a year
In short: Whois is a Windows tool for 64-bit, ARM64 and 32-bit PCs. Updates have slowed down.
Is Whois safe to download?
- The file is served by download.sysinternals.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
43D82EB09A93C788030B31668A1B578D4953C52875DCCF5C5EBC98059FA834A1· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.21Latest | December 11, 2019 | 599 KB | 64-bit ZIPARM64 ZIP32-bit ZIP |
Install from the command line
Silent install ›winget install --id Microsoft.Sysinternals.Whois -eProgram files (.exe): whois.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Sysinternals
- Licence
- Proprietary
- Price
- See the publisher’s site
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, ARM64, 32-bit
- Installer
- Portable
- Version
- 1.21
- Released
- December 11, 2019
- Added to the catalogue
- February 1, 2025
- Versions listed
- 1
- Website
- learn.microsoft.com
- winget ID
- Microsoft.Sysinternals.Whois
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is Whois free?
Whois is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is Whois safe to download?
The download comes from download.sysinternals.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Whois with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does Whois run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Can I use Whois without administrator rights?
Yes, it is portable: unpack and run it.
