Registro IPv4
host: secondb.com
class: IN
ttl: 7200
type: A
ip: 209.17.116.163

Servidores DNS Principal (mname) y Secundario (rname)
host: secondb.com
class: IN
ttl: 3600
type: SOA
mname: DNS105.REGISTER.com
rname: root.REGISTER.com
serial: 123120706
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: secondb.com
class: IN
ttl: 7200
type: TXT
txt: v=spf1 include:_spf.emfwd.name-services.com mx ?all
entries: Array