Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:mailto:re+otukefoyikg@dmarc.postmarkapp.com; pct=100; fo=1; sp=none; aspf=r;

Registro IPv4
host: submain.com
class: IN
ttl: 3600
type: A
ip: 74.114.163.180

Servidores DNS Principal (mname) y Secundario (rname)
host: submain.com
class: IN
ttl: 3600
type: SOA
mname: ns1.fullcontrol.net
rname: sergeb.vbcity.com
serial: 2023072402
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: submain.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.submain.com

Información TXT
host: submain.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:204.9.79.228 ip4:173.46.152.128/25 ip4:199.244.76.0/24 ip4:207.126.101.0/24 include:spf.mtasv.net include:spf1.jotform.com ~all
entries: Array