Powershell: Get FQDN Hostname

Question

I want to retrieve the FQDN name of windows server via powershell script. I have found 2 solution so far:

$server =  Invoke-Command -ScriptBlock {hostname}
         


        

Answer 1

"$env:computername.$env:userdnsdomain" 

will work if separated out like this

"$env:computername"+"$env:userdnsdomain"