OID value: 2.16.840.1.101.2.1.4.4
OID description:
id-ca-sdns ID ::= {id-object-classes 4}
ca-sdns OBJECT-CLASS SUBCLASS OF top MUST CONTAIN { } MAY CONTAIN { sdnsCASignatureCertificate, sdnsKMandSigCertificate, sdnsCertificateRevocationList } ::= {id-ca-sdns}
See also the OID Repository website reference for 2.16.840.1.101.2.1.4.4