Registro DMARC
v=spf1 -all

Servidores DNS Principal (mname) y Secundario (rname)
host: nardah.com
class: IN
ttl: 1800
type: SOA
mname: launch1.spaceship.net
rname: support.spaceship.com
serial: 1767392749
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: nardah.com
class: IN
ttl: 300
type: TXT
txt: 63f4cf42-1721-453b-8433-d7cb34bffc66
entries: Array