Registro DMARC
v=DMARC1;  p=reject; rua=mailto:544378f9ae92460db2b0dbb37113969a@dmarc-reports.cloudflare.net

Servidores DNS Principal (mname) y Secundario (rname)
host: gettoinbox.com
class: IN
ttl: 1800
type: SOA
mname: robin.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2359870263
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

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