OID value: 2.16.840.1.101.2.1.4.3
OID description:
id-dsa-sdns ID ::= {id-object-classes 3}
dsa-sdns OBJECT-CLASS SUBCLASS OF dSA MUST CONTAIN { } MAY CONTAIN { sdnsUserSignatureCertificate, sdnsKMandSigCertificate, ::= {id-dsa-sdns}
See also the OID Repository website reference for 2.16.840.1.101.2.1.4.3