Registro DMARC
v=DMARC1; p=none; rua=mailto:postmaster@comentum.com

Registro IPv4
host: comentum.com
class: IN
ttl: 600
type: A
ip: 208.66.57.10

Servidores DNS Principal (mname) y Secundario (rname)
host: comentum.com
class: IN
ttl: 7200
type: SOA
mname: dns1.commentum.com
rname: bk.comentum.com
serial: 2018050916
refresh: 7200
retry: 7200
expire: 3600000
minimum-ttl: 600

Servidor de Correo
host: comentum.com
class: IN
ttl: 600
type: MX
pri: 10
target: mx1.emailsrvr.com

Servidor de Correo
host: comentum.com
class: IN
ttl: 600
type: MX
pri: 20
target: mx2.emailsrvr.com

Información TXT
host: comentum.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 include:emailsrvr.com ip4:208.66.57.10 ~all
entries: Array