zone e17-2.tg15.gathering.org { primary 127.0.0.1; key DHCP_UPDATER; } subnet 151.216.135.64 netmask 255.255.255.192 { option subnet-mask 255.255.255.192; option routers 151.216.135.65; option domain-name "e17-2.tg15.gathering.org"; ddns-domainname "e17-2.tg15.gathering.org"; range 151.216.135.68 151.216.135.126; }