$TTL 86400 $ORIGIN iutva.milxc. @ 1D IN SOA ns.iutva.milxc. hostmaster.iutva.milxc. ( 2002022401 ; serial 3H ; refresh 15 ; retry 1w ; expire 3h ; nxdomain ttl ) IN NS ns.iutva.milxc. ns IN A 100.90.0.2 infra IN A 100.90.0.2 www IN CNAME infra