Servidores DNS Principal (mname) y Secundario (rname)
host: 1cost.com
class: IN
ttl: 3600
type: SOA
mname: ns1.cloudns.net
rname: support.cloudns.net
serial: 2020122006
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: 1cost.com
class: IN
ttl: 1800
type: MX
pri: 10
target: mx01.101webmail.com

Información TXT
host: 1cost.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx -all
entries: Array