zone noc.tg15.gathering.org { primary 127.0.0.1; key DHCP_UPDATER; } subnet 151.216.254.0 netmask 255.255.255.0 { option subnet-mask 255.255.255.0; option routers 151.216.254.1; option domain-name "noc.tg15.gathering.org"; ddns-domainname "noc.tg15.gathering.org"; range 151.216.254.4 151.216.254.254; }