Registro DMARC
v=DMARC1;p=quarantine;rua=mailto:admin@mammothmountainvacations.com

Servidores DNS Principal (mname) y Secundario (rname)
host: mammothmountainvacations.com
class: IN
ttl: 1800
type: SOA
mname: bingo.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2383352308
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: mammothmountainvacations.com
class: IN
ttl: 120
type: MX
pri: 10
target: mail.mammothmountainvacations.com

Información TXT
host: mammothmountainvacations.com
class: IN
ttl: 120
type: TXT
txt: v=spf1 +a +mx +ip4:34.146.12.100 -all
entries: Array