The display authinfo command can be used to display the authentication information of an MQ server.

echo "display authinfo (*)" | runmqsc MANAGER01
. . .
AMQ8566I: Display authentication information details.
   AUTHINFO(SYSTEM.DEFAULT.AUTHINFO.CRLLDAP)
   AUTHTYPE(CRLLDAP)                    
AMQ8566I: Display authentication information details.
   AUTHINFO(SYSTEM.DEFAULT.AUTHINFO.IDPWLDAP)
   AUTHTYPE(IDPWLDAP)                   
AMQ8566I: Display authentication information details.
   AUTHINFO(SYSTEM.DEFAULT.AUTHINFO.IDPWOS)
   AUTHTYPE(IDPWOS)                     
AMQ8566I: Display authentication information details.
   AUTHINFO(SYSTEM.DEFAULT.AUTHINFO.OCSP)
   AUTHTYPE(OCSP)                       
AMQ8566I: Display authentication information details.
   AUTHINFO(MANAGER01.LDAP.AUTHINFO)
   AUTHTYPE(IDPWLDAP)

The following will display more details on a particular authentication object.

echo "display authinfo ('MANAGER01.LDAP.AUTHINFO')" | runmqsc MANAGER01
. . .
AMQ8566I: Display authentication information details.
   AUTHINFO(MANAGER01.LDAP.AUTHINFO)       AUTHTYPE(IDPWLDAP)
   ADOPTCTX(NO)                            DESCR( )
   CONNAME(ldap.example.com)               CHCKCLNT(REQUIRED)
   CHCKLOCL(OPTIONAL)                      CLASSGRP( )
   CLASSUSR( )                             FAILDLAY(1)
   FINDGRP( )                              BASEDNG( )
   BASEDNU(ou=mq,ou=appmgmt,ou=svcs,o=acme)
   LDAPUSER(CN=mqadmin,ou=mgmt,ou=svcs,o=acme)
   LDAPPWD(********************************)
   SHORTUSR(cn)                            GRPFIELD( )
   USRFIELD(cn)                            AUTHORMD(SEARCHGRP)
   NESTGRP(NO)                             SECCOMM(NO)
   ALTDATE(2018-04-24)                     ALTTIME(09.14.29)