The LSAPR_TRUST_INFORMATION structure contains information about a domain.

 typedef struct _LSAPR_TRUST_INFORMATION {
   RPC_UNICODE_STRING Name;
   PRPC_SID Sid;
 } LSAPR_TRUST_INFORMATION,
  *PLSAPR_TRUST_INFORMATION;

Individual member semantics are specified in [MS-LSAD] section 2.2.7.1.