Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:tecnologia@coremain.com

Registro IPv4
host: coremain.com
class: IN
ttl: 300
type: A
ip: 185.45.73.140

Servidores DNS Principal (mname) y Secundario (rname)
host: coremain.com
class: IN
ttl: 300
type: SOA
mname: ns.dinahosting.com
rname: hostmaster.coremain.com
serial: 2019012801
refresh: 3600
retry: 120
expire: 1209600
minimum-ttl: 300

Servidor de Correo
host: coremain.com
class: IN
ttl: 300
type: MX
pri: 10
target: mail.coremain.com

Servidor de Correo
host: coremain.com
class: IN
ttl: 300
type: MX
pri: 20
target: mail2.coremain.com

Información TXT
host: coremain.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx ip4:46.24.15.36/32 ip4:81.33.31.90/32 include:_spf.google.com include:spf.protection.outlook.com ~all
entries: Array

Información TXT
host: coremain.com
class: IN
ttl: 300
type: TXT
txt: qIUOeqR/NulVVIZZBTcZOPEkedMwwdzvWV5mM4jHgDs=
entries: Array