Secret Server report that shows discovered dependencies on all machines, their services accounts, as well as if that services account is being discovered by AD Discovery.

Secret-Server--Dependencies--AD-Account-Mapping.sql

SELECT
	[ou].[DistinguishedName] AS [OU DN],
	[c].[ComputerName],
	[sdt].[SecretDependencyTypeName],
	[cd].[DependencyName],
	CONCAT([d].[FriendlyName], '\', [cd].[AccountName]) AS [AccountName],
	CASE WHEN [ca].[AccountName] IS NULL
		THEN 'False'
		ELSE 'True'
	END AS [Account In AD Discovery]
FROM [tbComputerDependency] [cd]
JOIN [tbSecretDependencyType] [sdt] ON [cd].[SecretDependencyTypeID] = [sdt].[SecretDependencyTypeId]
JOIN [tbComputer] [c] ON [cd].[ComputerID] = [c].[ComputerId]
JOIN [tbOrganizationUnit] [ou] ON [c].[OrganizationUnitId] = [ou].[OrganizationUnitId]
JOIN [tbDomain] [d] ON [cd].[AccountDomainID] = [d].[DomainId]
LEFT JOIN [tbComputerAccount] [ca] ON [cd].[AccountName] = [ca].[AccountName] AND [cd].[AccountDomainID] = [d].[DomainId] AND [ca].[ComputerId] IS NULL
ORDER BY
	[OU DN],
	[c].[ComputerName],
	[sdt].[SecretDependencyTypeName],
	[cd].[DependencyName]