ddns-update-style interim; ignore client-updates; subnet 192.168.0.0 netmask 255.255.255.0 { # --- default gateway option routers 192.168.0.1; option subnet-mask 255.255.255.0; # option domain-name "otacky.us"; option domain-name "otacky.jp"; option domain-name-servers 192.168.0.12; range dynamic-bootp 192.168.0.100 192.168.0.150; default-lease-time 600; max-lease-time 7200; log-facility local7; } key DDNS { algorithm HMAC-MD5; secret "xxxxxxxxxxxxxxxxx"; }; zone otacky.jp. { # primary 192.168.0.12; primary 127.0.0.1; key DDNS; } zone 0.168.192.in-addr.arpa. { primary 127.0.0.1; key DDNS; }