Registro IPv4
host: telmex.com.ar
class: IN
ttl: 300
type: A
ip: 200.57.156.57

Servidores DNS Principal (mname) y Secundario (rname)
host: telmex.com.ar
class: IN
ttl: 21600
type: SOA
mname: nolldnstmx02apw
rname: ipaddressing.ar.claro.com.ar
serial: 2019100108
refresh: 3600
retry: 600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: telmex.com.ar
class: IN
ttl: 300
type: MX
pri: 10
target: mail.telmex.com.ar

Servidor de Correo
host: telmex.com.ar
class: IN
ttl: 300
type: MX
pri: 20
target: mailsweeper.telmex.com.ar