$TTL    86400
$ORIGIN domain.tld.
@                       1D IN SOA       @ root (
                                        2004060401      ; serial (d. adams)
                                        3H              ; refresh
                                        15M             ; retry
                                        1W              ; expiry
                                        1D )            ; minimum

                        1D IN NS        @
                        1D IN NS        ns1.host.com.
                        1D IN NS        ns2.host.com.
localhost               1D IN A         127.0.0.1
domain.tld.            1D IN MX 10     mail.host.com.
domain.tld.            1D IN A         1.2.3.4
www                     1D IN A         1.2.3.4
ffa                     1D IN A         5.6.7.8