Registro IPv4
host: cd-1st.com
class: IN
ttl: 300
type: A
ip: 158.247.219.138

host: m.cd-1st.com
class: IN
ttl: 300
type: CNAME
target: cd-1st.com

Servidores DNS Principal (mname) y Secundario (rname)
host: cd-1st.com
class: IN
ttl: 300
type: SOA
mname: ns1.vultr.com
rname: dnsadm.choopa.com
serial: 0
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: cd-1st.com
class: IN
ttl: 300
type: MX
pri: 10
target: cd-1st.com