Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@sandlutions.com ; ruf=mailto:dmarc@sandlutions.com ; pct=100; adkim=r; aspf=r

Servidores DNS Principal (mname) y Secundario (rname)
host: sandlutions.com
class: IN
ttl: 1800
type: SOA
mname: arely.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2409992595
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: sandlutions.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:amazonses.com include:mail.sandlutions.com  -all
entries: Array