$ORIGIN . $TTL 604800 ; 1 week 0.16.172.in-addr.arpa IN SOA srv-service.monlabo.lan. root.srv-service.monlabo.lan. ( 2 ; serial 604800 ; refresh (1 week) 86400 ; retry (1 day) 2419200 ; expire (4 weeks) 604800 ; minimum (1 week) ) NS srv-dns2.monlabo.lan. NS srv-service.monlabo.lan. $ORIGIN 0.16.172.in-addr.arpa. 1 PTR srv-admin-jt.monlabo.lan. 253 PTR srv-dns2.monlabo.lan. 254 PTR svr-service.monlabo.lan. dhcp CNAME srv-service.monlabo.lan. dns CNAME srv-service.monlabo.lan. dns1 CNAME srv-service.monlabo.lan. dns2 CNAME srv-dns2.monlabo.lan. gateway CNAME srv-admin-jt.monlabo.lan. router CNAME srv-admin-jt.monlabo.lan. srvadmin CNAME srv-admin-jt.monlabo.lan. srvdhcp CNAME srv-service.monlabo.lan. srvdns CNAME srv-service.monlabo.lan. srvdns1 CNAME srv-service.monlabo.lan. srvdns2 CNAME srv-dns2.monlabo.lan.