Hi, The man page for nsd.conf claims the following syntax is valid: provide-xfr: 0/0 NOKEY However, this gives the error: /var/dnsx/nsd.zones:9: error: Bad ip4 address '0' The following does work: provide-xfr: 0.0.0.0/0 NOKEY So either the code is wrong, or the man page :) Paul