Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: theheartlandusa.com
class: IN
ttl: 14400
type: A
ip: 149.56.123.202

Servidores DNS Principal (mname) y Secundario (rname)
host: theheartlandusa.com
class: IN
ttl: 86400
type: SOA
mname: ns1.theheartlandusa.com
rname: hostmaster.theheartlandusa.com
serial: 2024121601
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: theheartlandusa.com
class: IN
ttl: 14400
type: MX
pri: 0
target: theheartlandusa.com

Información TXT
host: theheartlandusa.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:51.222.82.224 ~all
entries: Array