Registro IPv4
host: smf.lserv.com
class: IN
ttl: 14400
type: A
ip: 216.86.153.61

Servidores DNS Principal (mname) y Secundario (rname)
host: smf.lserv.com
class: IN
ttl: 86400
type: SOA
mname: ns1.lserv.com
rname: ddave.lserv.com
serial: 2017110102
refresh: 3600
retry: 7200
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: smf.lserv.com
class: IN
ttl: 14400
type: MX
pri: 0
target: smf.lserv.com

Información TXT
host: smf.lserv.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:216.86.153.61 ~all
entries: Array