Append special entries to the /etc/named.boot file In some rare cases, it may be necessary to add custom entries to the /etc/named.boot file that did not get added by DNS Boss. This usually should not need to be done. However, if there a need for some special entry in /etc/named.boot not already created by DNS Boss, just create a file called: /var/opt/DNSBoss/dns_build_area/append.named.boot and add whatever entries you want. DNS Boss will append it to the /etc/named.boot file that it creates.