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

Servidores DNS Principal (mname) y Secundario (rname)
host: gidora.it
class: IN
ttl: 1998
type: SOA
mname: ns1.siteground.net
rname: admins.siteground.com
serial: 123
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 86400

Información TXT
host: gidora.it
class: IN
ttl: 1998
type: TXT
txt: v=spf1 +a +mx +ip4:35.214.199.52  include:gidora.it.spf.auto.dnssmarthost.net ~all
entries: Array