Registro IPv4
host: smartblogs.com
class: IN
ttl: 300
type: A
ip: 74.205.67.231

Servidores DNS Principal (mname) y Secundario (rname)
host: smartblogs.com
class: IN
ttl: 900
type: SOA
mname: ns-1155.awsdns-16.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Información TXT
host: smartblogs.com
class: IN
ttl: 21600
type: TXT
txt: v=spf1 a mx -all
entries: Array