$TTL 86400 @ IN SOA localhost root ( 2010071201 ; serial 3H ; refresh 15M ; retry 1W ; expiry 1D ) ; minimum IN NS ns1.mojah.be. IN NS ns2.mojah.be. IN NS ns3.mojah.be. IN NS ns4.mojah.be. IN A 172.16.0.106 www IN A 172.16.0.106 mail IN CNAME dns.org. webmail IN CNAME dns.org. @ IN MX 10 zimbra.lab.mojah.be. @ IN MX 20 fallback.lab.mojah.be.