Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

Registro IPv4
host: dubber.com
class: IN
ttl: 352
type: A
ip: 20.119.0.30

Servidores DNS Principal (mname) y Secundario (rname)
host: dubber.com
class: IN
ttl: 21600
type: SOA
mname: ns0.techsmith.com
rname: hostmaster.techsmith.com
serial: 2006010164
refresh: 43200
retry: 3600
expire: 1209600
minimum-ttl: 180

Información TXT
host: dubber.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 -all
entries: Array