Servidores DNS Principal (mname) y Secundario (rname)
host: creditrpr.com
class: IN
ttl: 600
type: SOA
mname: ns1.creditrpr.com
rname: hostmaster.pgx.local
serial: 2013013007
refresh: 1200
retry: 600
expire: 1209600
minimum-ttl: 600

Información TXT
host: creditrpr.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 a mx -all
entries: Array