From the doc: 'allows you to turn your computer into an Internet server. Using this software you'll be able to create an Internet Name that tracks your current IP address. You can choose your own Internet Name which you (or your customers) can use to connect to a web server, FTP, mail server, etc. running on your computer.'
pdnsc.exe
mshlog.dllmshservice.dllmshtime.dllmshvnc.dll