Servidores DNS Principal (mname) y Secundario (rname)
host: itssmt.edu.mx
class: IN
ttl: 3600
type: SOA
mname: ns1-03.azure-dns.com
rname: azuredns-hostmaster.microsoft.com
serial: 1
refresh: 3600
retry: 300
expire: 2419200
minimum-ttl: 300

Servidor de Correo
host: itssmt.edu.mx
class: IN
ttl: 3600
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: itssmt.edu.mx
class: IN
ttl: 3600
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: itssmt.edu.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: itssmt.edu.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: itssmt.edu.mx
class: IN
ttl: 3600
type: MX
pri: 15
target: rlsiprttzkcb2qtq2beihjrd7n4dxni4g4yl23z2vahb3vu5blyq.mx-verification.google.com

Servidor de Correo
host: itssmt.edu.mx
class: IN
ttl: 3600
type: MX
pri: 1
target: aspmx.l.google.com