There was a download of WhoisCL 1.36 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The software lies within Internet & Network Tools, more precisely Network Tools.
The following version: 1.3 is the most frequently downloaded one by the program users. This free software was originally created by NirSoft. We recommend checking the downloaded files with any free antivirus. The default filename for the program's installer is WhoisCL.exe.
From the developer:
WhoisCL is a simple command-line utility that allows you to easily get information about a registered domain. It automatically connect to the right WHOIS server, according to the top-level domain name, and retrieve the WHOIS record of the domain.
It supports both generic domains and country code domains.
You may want to check out more software, such as PageScope Network Setup, Veeam FastSCP or CrossFTP Server, which might be similar to WhoisCL.