Registro DMARC
v=spf1 include:emailsrvr.com mx include:servers.mcsv.net include:spf.constantcontact.com ?all

Registro IPv4
host: ferdinanda.com
class: IN
ttl: 1800
type: A
ip: 54.85.39.104

Servidores DNS Principal (mname) y Secundario (rname)
host: ferdinanda.com
class: IN
ttl: 10944
type: SOA
mname: ns1.deeperbydesign.com
rname: root.deeperbydesign.com
serial: 2022071509
refresh: 1200
retry: 600
expire: 2592000
minimum-ttl: 21600

Servidor de Correo
host: ferdinanda.com
class: IN
ttl: 10944
type: MX
pri: 10
target: mx1.emailsrvr.com

Servidor de Correo
host: ferdinanda.com
class: IN
ttl: 10944
type: MX
pri: 20
target: mx2.emailsrvr.com

Información TXT
host: ferdinanda.com
class: IN
ttl: 10944
type: TXT
txt: v=spf1 include:emailsrvr.com mx include:servers.mcsv.net include:spf.constantcontact.com ?all
entries: Array