Registro DMARC
v=DMARC1; p=reject; aspf=r;

Registro IPv4
host: expomtg.com
class: IN
ttl: 90
type: A
ip: 185.215.4.31

Servidores DNS Principal (mname) y Secundario (rname)
host: expomtg.com
class: IN
ttl: 90
type: SOA
mname: ns.cccmos.ru
rname: info.cccmos.com
serial: 2023081710
refresh: 3600
retry: 600
expire: 1209600
minimum-ttl: 10800

Servidor de Correo
host: expomtg.com
class: IN
ttl: 90
type: MX
pri: 10
target: mail.expomtg.com

Información TXT
host: expomtg.com
class: IN
ttl: 90
type: TXT
txt: v=spf1 +mx +a:crm.expomtg.com -all
entries: Array