changeip and DNS in 10.6

From the OS X 10.6 man page for [i]changeip[/i] [code]HISTORY A version of changeip has been present in Mac OS X Server since at least version 10.3 (Panther). In 10.6 (Snow Leopard), changeip no longer manipulates the directory and therefore no longer takes a directory URL as an argument.[/code] So what do we use to manipulate the directory record? - B