D[TS package Loads a package that is stored in the SSIS package store. The package argument specifies the name and path of ...

D[TS] package

Loads a package that is stored in the SSIS package store. The package argument
specifies the name and path of the package to retrieve.

However, you can use the DTS option in conjunction with the SrcServer option.

If the SrcServer option is omitted, the local server is assumed.

If you use the DTS option in conjunction with any of the following options, 
DTUtil fails: 
o File
o SQL