Can't connect to anonCVS !

   Hi ALL !!!

   PLease, HELP ! 
   I've tried to connect to anonCVS according
to documentation
cvs -d :pserver:anoncvs@postgresql.org:/home/projects/pgsql/cvsroot login
type password "postgresql"
but got message "Unknown host postgresql.org"
 
   Thanks and regards,
   Slava