private/Resolve-NetworkName.ps1
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function Resolve-NetworkName { [CmdletBinding()] param( [string]$Computer ) $cName = $Computer # resolve IP address try { Write-PSFMessage -Level Verbose -Message "Resolving $cName using .NET.Dns GetHostEntry" $resolved = [System.Net.Dns]::GetHostEntry($cName) $ipaddresses = $resolved.AddressList | Sort-Object -Property AddressFamily # prioritize IPv4 $ipaddress = $ipaddresses[0].IPAddressToString } catch { $em = Get-ErrorMessage -Record $_ Write-Warning $em return } # try to resolve IP into a hostname try { Write-PSFMessage -Level Verbose -Message "Resolving $ipaddress using .NET.Dns GetHostByAddress" $fqdn = [System.Net.Dns]::GetHostByAddress($ipaddress).HostName } catch { Write-PSFMessage -Level Verbose -Message "Failed to resolve $ipaddress using .NET.Dns GetHostByAddress" $fqdn = $resolved.HostName } $dnsDomain = $env:USERDNSDOMAIN # augment fqdn if needed if ($fqdn -notmatch "\" -and $dnsDomain) { $fqdn = "$fqdn.$dnsdomain" } $hostname = $fqdn.Split("")[0] # create an output object with some preliminary data gathered so far [PSCustomObject]@{ InputName = $computer ComputerName = $hostname.ToUpper() IPAddress = $ipaddress DNSHostname = $hostname DNSDomain = $dnsdomain Domain = $dnsdomain DNSHostEntry = $fqdn FQDN = $fqdn FullComputerName = $cName } } |