Hi, Would a test machine with 16Gb of ram be of use in testing with large or many zones? I am happy to donate machine time to the OpenDNSSEC project if it would. John --- jad at sinodun.com Sinodun Internet Technologies Ltd. Stables 4, Suite 11, Howbery Park, Wallingford, Oxfordshire, OX10 8BA, U.K. +44 (0)1491 834957