command to check if referential integrity plugin is enabled on Sun DS?

dsconf get-server-prop -p 389 -h jackal.red.iplanet.com -D "cn=Directory Manager" -w /opt/pass.txt | grep ref-integrity-enabled

where dsconf if a tool obtained from DSEE installation. It is available in the following location:
/opt/SUNWdsee/ds6/bin
where /opt is the default location.