Registro DMARC
v=DMARC1; p=none; aspf=r; adkim=r

Servidores DNS Principal (mname) y Secundario (rname)
host: usanest.com
class: IN
ttl: 1800
type: SOA
mname: darl.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2407590219
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: usanest.com
class: IN
ttl: 300
type: MX
pri: 20
target: aspmx2.migadu.com

Servidor de Correo
host: usanest.com
class: IN
ttl: 300
type: MX
pri: 10
target: aspmx1.migadu.com

Información TXT
host: usanest.com
class: IN
ttl: 300
type: TXT
txt: hosted-email-verify=ezdbhv0e
entries: Array

Información TXT
host: usanest.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf.migadu.com -all
entries: Array