$TTL 300
$ORIGIN zone8.com.
    
@ 3600 IN SOA ns1-03.azure-dns.com. azuredns-hostmaster.microsoft.com. (
              1 ; serial
              3600 ; refresh
              300 ; retry
              2419200 ; expire
              300 ; minimum
              )
 
  172800 IN NS ns1-03.azure-dns.com.
  172800 IN NS ns2-03.azure-dns.net.
  172800 IN NS ns3-03.azure-dns.org.
  172800 IN NS ns4-03.azure-dns.info.
;
ns 3600 IN A 1.2.3.4
* 3600 IN A 2.3.4.5