Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: cst.com
class: IN
ttl: 21600
type: A
ip: 52.208.213.201

Servidores DNS Principal (mname) y Secundario (rname)
host: cst.com
class: IN
ttl: 21600
type: SOA
mname: ns1.iptwins.net
rname: dns-log.iptwins.com
serial: 2023092901
refresh: 86400
retry: 7200
expire: 2592000
minimum-ttl: 345600

Servidor de Correo
host: cst.com
class: IN
ttl: 300
type: MX
pri: 10
target: mxa-00752701.gslb.pphosted.com

Servidor de Correo
host: cst.com
class: IN
ttl: 300
type: MX
pri: 10
target: mxb-00752701.gslb.pphosted.com

Información TXT
host: cst.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx include:spf-00752701.pphosted.com -all
entries: Array