def METHOD_NAME(dns_alias_name: Optional[str] = None,
                                 managed_instance_name: Optional[str] = None,
                                 resource_group_name: Optional[str] = None,
                                 opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetManagedServerDnsAliasResult:
    """
    Gets a server DNS alias.
    :param str managed_instance_name: The name of the managed instance.
    :param str resource_group_name: The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
    """
    __args__ = dict()
    __args__['dnsAliasName'] = dns_alias_name
    __args__['managedInstanceName'] = managed_instance_name
    __args__['resourceGroupName'] = resource_group_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:sql/v20221101preview:getManagedServerDnsAlias', __args__, opts=opts, typ=GetManagedServerDnsAliasResult).value
    return AwaitableGetManagedServerDnsAliasResult(
        azure_dns_record=pulumi.get(__ret__, 'azure_dns_record'),
        id=pulumi.get(__ret__, 'id'),
        name=pulumi.get(__ret__, 'name'),
        public_azure_dns_record=pulumi.get(__ret__, 'public_azure_dns_record'),
        type=pulumi.get(__ret__, 'type'))