Registro DMARC
v=spf1 a:dns.usapteka.com ~all

Registro IPv4
host: usapteka.com
class: IN
ttl: 3600
type: A
ip: 38.114.121.149

Servidores DNS Principal (mname) y Secundario (rname)
host: usapteka.com
class: IN
ttl: 3600
type: SOA
mname: dns.usapteka.com
rname: hostmaster.usapteka.com
serial: 1606907720
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: usapteka.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mx.usapteka.com

Información TXT
host: usapteka.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:dns.usapteka.com ~all
entries: Array