Registro IPv4
host: optmd.com
class: IN
ttl: 300
type: A
ip: 8.36.162.206

Servidores DNS Principal (mname) y Secundario (rname)
host: optmd.com
class: IN
ttl: 1800
type: SOA
mname: derek.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2387287805
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: optmd.com
class: IN
ttl: 3600
type: MX
pri: 1
target: mx1.casalemedia.com