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

How about this

$FQDN=[System.Net.Dns]::GetHostByName($VM).Hostname.Split('.')
[int]$i = 1
[int]$x = 0
[string]$Domain = $null
do {
    $x = $i-$FQDN.Count
    $Domain = $Domain+$FQDN[$x]+"."
    $i = $i + 1
} until ( $i -eq $FQDN.Count )
$Domain = $Domain.TrimEnd(".")