Registro IPv4
host: otr-site.com
class: IN
ttl: 14400
type: A
ip: 168.215.194.138

Servidores DNS Principal (mname) y Secundario (rname)
host: otr-site.com
class: IN
ttl: 21600
type: SOA
mname: ns1.midwestinternet.com
rname: mc.mw.net
serial: 2018042900
refresh: 3600
retry: 7200
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: otr-site.com
class: IN
ttl: 14400
type: MX
pri: 0
target: otr-site.com