intracentre. IN SOA linux. root ( 2000231101 10800 3600 432000 38400 ) intracentre. IN NS linux. router.intracentre. IN A 192.168.0.1 linux.intracentre. IN A 192.168.0.2 proxy IN CNAME linux www IN CNAME linux estacio100.intracentre. IN A 192.168.0.100 estacio101.intracentre. IN A 192.168.0.101 estacio102.intracentre. IN A 192.168.0.102