Registro IPv4
host: btenv.biz
class: IN
ttl: 900
type: A
ip: 10.0.0.0

Servidores DNS Principal (mname) y Secundario (rname)
host: btenv.biz
class: IN
ttl: 7200
type: SOA
mname: NS79.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 123050110
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: btenv.biz
class: IN
ttl: 900
type: TXT
txt: v=spf1 mx include:us._netblocks.mimecast.com ~all
entries: Array