Import-Module ..\ADModule-master\Microsoft.ActiveDirectory.Management.dll
Import-Module ..\ADModule-master\ActiveDirectory\ActiveDirectory.psd1

• Get current domain

Get-ADDomain

Get-ADDomain | select DNSRoot, Forest, InfrastructureMaster, DomainSID

• Get object of another domain

Get-ADDomain -Identity techcorp.local

Get-ADDomain -Identity techcorp.local | select DNSRoot, Forest, InfrastructureMaster, DomainSID

• Get domain controllers for the current domain

Get-ADDomainController

Get-ADDomainController | select Domain, Name, HostName, IPv4Address, OperatingSystem