Servidores DNS Principal (mname) y Secundario (rname)
host: clt.com.sv
class: IN
ttl: 3600
type: SOA
mname: dns1.claro-cloud.net.co
rname: no-reply.clarocloud-ca.com
serial: 3042078
refresh: 14400
retry: 7200
expire: 2419200
minimum-ttl: 3600

Servidor de Correo
host: clt.com.sv
class: IN
ttl: 3600
type: MX
pri: 0
target: clt-com-sv.mail.protection.outlook.com

Información TXT
host: clt.com.sv
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array