Registro DMARC
v=spf1 -all

Registro IPv4
host: b2bcap.com
class: IN
ttl: 3600
type: A
ip: 76.223.54.146

Registro IPv4
host: b2bcap.com
class: IN
ttl: 3600
type: A
ip: 13.248.169.48

Servidores DNS Principal (mname) y Secundario (rname)
host: b2bcap.com
class: IN
ttl: 3600
type: SOA
mname: ns5.afternic.com
rname: dns.jomax.net
serial: 2023042600
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: b2bcap.com
class: IN
ttl: 3600
type: MX
pri: 0
target: