Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@smtp-staging.mailtrap.net; ruf=mailto:dmarc@smtp-staging.mailtrap.net; rf=afrf; pct=100

Registro IPv4
host: compu-pc.com
class: IN
ttl: 300
type: A
ip: 94.242.53.57

Servidores DNS Principal (mname) y Secundario (rname)
host: compu-pc.com
class: IN
ttl: 1800
type: SOA
mname: aarav.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2399509080
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800