Servidores DNS Principal (mname) y Secundario (rname)
host: teachiworld.com
class: IN
ttl: 900
type: SOA
mname: ns-348.awsdns-43.com
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Información TXT
host: teachiworld.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:210.222.32.246 ip4:210.222.32.232 ip4:210.222.32.254 ip4:210.222.32.245 ip4:210.222.32.231 -all
entries: Array