$TTL 3600 @ IN SOA ns.bitbase.dk. dr.jones.dk. ( 2004012301 ; serial 3600 ; refresh 1800 ; retry 604800 ; expire 3600 ) ; Negative Cache TTL ; @ IN NS ns.bitbase.dk. @ IN NS dns.jones.dk. @ IN NS ns.superserver.dk. ; @ IN MX 10 mail.jones.dk. @ IN MX 50 mail.haakansson.com. @ IN MX 50 mail.idaskolen.dk. @ IN MX 50 mail.bitbase.dk. @ IN MX 50 mail.homebase.dk. mail IN A 80.163.221.238