$TTL 3600 @ IN SOA ns.bitbase.dk. teknik.bitbase.dk. ( 2006121101 ; serial 3600 ; refresh 1800 ; retry 604800 ; expire 3600 ) ; Negative Cache TTL NS ns.bitbase.dk. NS ns.superserver.dk. NS dns.jones.dk. NS ns.homebase.dk. TXT "v=spf1 -all" A 62.243.165.90 * A 62.243.165.90 TXT "v=spf1 -all"