Registro DMARC
v=DMARC1;p=none;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;fo=1

Registro IPv4
host: microsdc.us
class: IN
ttl: 10800
type: A
ip: 65.221.28.21

Servidores DNS Principal (mname) y Secundario (rname)
host: microsdc.us
class: IN
ttl: 10800
type: SOA
mname: ns1.p201.dns.oraclecloud.net
rname: hostmaster.oracle.com
serial: 2025042802
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 900

Servidor de Correo
host: microsdc.us
class: IN
ttl: 10800
type: MX
pri: 20
target: mail1.microsdc.us

Servidor de Correo
host: microsdc.us
class: IN
ttl: 10800
type: MX
pri: 10
target: mail.microsdc.us

Información TXT
host: microsdc.us
class: IN
ttl: 10800
type: TXT
txt: v=spf1 a mx ip4:65.221.28.0/24 ip4:63.163.61.0/24 ip4:63.123.145.0/24 ip4:128.177.144.7 ip4:128.177.154.7 ip4:128.177.144.190 ip4:128.177.144.191 ip4:128.177.154.190 ip4:128.177.154.191 ~all
entries: Array