Registro DMARC
v=DMARC1; p=reject; rua=mailto:noreply@vultr.com; ruf=mailto:noreply@vultr.com; pct=100; sp=reject; fo=1; ri=3600;

Registro IPv4
host: vultrusercontent.com
class: IN
ttl: 900
type: A
ip: 127.0.0.1

Servidores DNS Principal (mname) y Secundario (rname)
host: vultrusercontent.com
class: IN
ttl: 900
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: vultrusercontent.com
class: IN
ttl: 900
type: MX
pri: 10
target: mail.vultrusercontent.com

Información TXT
host: vultrusercontent.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array