Registro DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@b2business.ltd; ruf=mailto:postmaster@b2business.ltd; sp=quarantine; aspf=r; adkim=r

Servidores DNS Principal (mname) y Secundario (rname)
host: b2business.ltd
class: IN
ttl: 1800
type: SOA
mname: miki.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2413372524
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: b2business.ltd
class: IN
ttl: 3600
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: b2business.ltd
class: IN
ttl: 3600
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: b2business.ltd
class: IN
ttl: 3600
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: b2business.ltd
class: IN
ttl: 3600
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: b2business.ltd
class: IN
ttl: 3600
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Información TXT
host: b2business.ltd
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array

Información TXT
host: b2business.ltd
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=mbN7tmUyoV72tD1-EzVXWYQmRNXY3FHHtgeImCcea60
entries: Array