Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: usavisa.com
class: IN
ttl: 4137
type: A
ip: 134.209.188.63

Servidores DNS Principal (mname) y Secundario (rname)
host: usavisa.com
class: IN
ttl: 11338
type: SOA
mname: ns1.usavisa.com
rname: postmaster.usavisa.com
serial: 2023061553
refresh: 3600
retry: 7200
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: usavisa.com
class: IN
ttl: 4138
type: MX
pri: 20
target: mx2.improvmx.com

Servidor de Correo
host: usavisa.com
class: IN
ttl: 4138
type: MX
pri: 10
target: mx1.improvmx.com

Información TXT
host: usavisa.com
class: IN
ttl: 90
type: TXT
txt: v=spf1 include:spf.improvmx.com ~all
entries: Array