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Get-MtRegistrableDomain

Get the registrable domain for a given domain name.

Get-MtRegistrableDomain [-DomainName] <String> [-ProgressAction <ActionPreference>] [<CommonParameters>]

This function retrieves the registrable domain for a given domain name based on the public suffix list. Uses a cached version of the public suffix list for performance reasons. Public suffix list is sourced from https://publicsuffix.org/ and stored in the Maester powershell assets repository.

Get-MtRegistrableDomain -DomainName "sub.example.co.uk"
Returns "example.co.uk".
Get-MtRegistrableDomain -DomainName "example.co.uk"
Returns "example.co.uk".
Get-MtRegistrableDomain -DomainName "sub.example.com"
Returns "example.com".
Get-MtRegistrableDomain -DomainName "example.com"
Returns "example.com".

The domain name for which to retrieve the registrable domain.

Type: String
Parameter Sets: (All)
Aliases:
Required: True
Position: 1
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

Determines how PowerShell responds to progress updates generated by a script, cmdlet, or provider, such as the progress bars generated by Write-Progress.

Type: ActionPreference
Parameter Sets: (All)
Aliases: proga
Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

https://maester.dev/docs/commands/Get-MtRegistrableDomain