1$ORIGIN example.com. 2$TTL 3600 3 4@ SOA dns1.example.com. hostmaster.example.com. ( 5 2010111213 ; serial 6 6h ; refresh 7 1h ; retry 8 1w ; expire 9 1d ) ; minimum 10 11 NS dns1 12 NS dns2 13 MX 10 mail 14 15dns1 A 192.0.2.1 16 AAAA 2001:DB8::1 17 18dns2 A 192.0.2.2 19 AAAA 2001:DB8::2 20 21mail A 192.0.2.3 22 AAAA 2001:DB8::3 23