SDCL § 21-45-48: Recording of conveyance--Persons barred by recorded conveyance.

The conveyance must be recorded in the county where the premises are situated, and shall be a bar against all persons interested in the property in any way, who shall have been named as parties in the action; and against all such parties and persons as were unknown if the summons was served by publication, and against all persons claiming under them or either of them and against all persons having unrecorded deeds or liens, at the commencement of the action.