try : recursion yes; allow-recursion { 10.5.4.0/24 ; 10.4.3.0/24 }; Assuming 10.5.4.0/24 and 10.4.3.0/24 are networks you want to allow recursive lookups. -- jbeasley at sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org