Registro DMARC
v=spf1 a mx ~all

Registro IPv4
host: nbbs.biz
class: IN
ttl: 3600
type: A
ip: 133.242.68.55

Servidores DNS Principal (mname) y Secundario (rname)
host: nbbs.biz
class: IN
ttl: 3600
type: SOA
mname: dns01.muumuu-domain.com
rname: postmaster.nbbs.biz
serial: 1700249014
refresh: 3600
retry: 1800
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: nbbs.biz
class: IN
ttl: 3600
type: MX
pri: 10
target: nbbs.biz

Información TXT
host: nbbs.biz
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ~all
entries: Array