tests/Test-HostDnsRegistration.ps1

function Test-HostDnsRegistration {
    [CmdletBinding()]
    param (
        [parameter()][string] $TestName = "Validate Host DNS A-record Registration",
        [parameter()][string] $TestGroup = "configuration",
        [parameter()][string] $TestCategory = "HOST",
        [parameter()][string] $Description = "Validate Host DNS A-record Registration",
        [parameter()][hashtable] $ScriptParams
    )
    try {
        $startTime = (Get-Date)
        #[int]$Setting = Get-CmHealthDefaultValue -KeySet "keygroup:keyname" -DataSet $CmHealthConfig
        [System.Collections.Generic.List[PSObject]]$tempdata = @() # for detailed test output to return if needed
        $stat   = "PASS" # do not change this
        $except = "WARNING" # or "FAIL"
        $msg    = "No issues found" # do not change this either
        if ($ScriptParams.ComputerName -eq "localhost") {
            $name = $(Get-WmiObject win32_computersystem).DNSHostName+"."+$(Get-WmiObject win32_computersystem).Domain
        } else {
            $name = $ScriptParams.ComputerName
        }
        [array]$res = $(Resolve-DnsName -Name $name -Type A)
        if ($res.Count -gt 1) {
            $stat = $except
            $msg  = "$($res.Count) items returned"
        }
        $res | Foreach-Object {
            $tempdata.Add(
                [pscustomobject]@{
                    HostName = $_.Name
                    RecordType = $_.Type
                    TTL = $_.TTL
                    IPAddress = $_.IPAddress
                }
            )
        }
    }
    catch {
        $stat = 'ERROR'
        $msg = $_.Exception.Message -join ';'
    }
    finally {
        Set-CmhOutputData
    }
}