Registro IPv4
host: byab.us
class: IN
ttl: 300
type: A
ip: 127.0.0.1

Servidores DNS Principal (mname) y Secundario (rname)
host: byab.us
class: IN
ttl: 3600
type: SOA
mname: dns.stabletransit.com
rname: ipadmin.stabletransit.com
serial: 1438034669
refresh: 3600
retry: 300
expire: 1814400
minimum-ttl: 300

Servidor de Correo
host: byab.us
class: IN
ttl: 300
type: MX
pri: 10
target: mail.byab.us