Servidores DNS Principal (mname) y Secundario (rname)
host: silver-towers.net
class: IN
ttl: 7200
type: SOA
mname: NS15.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 122010711
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: silver-towers.net
class: IN
ttl: 1800
type: TXT
txt: v=spf1 -all
entries: Array