Registro DMARC
v=DMARC1; p=quarantine;  sp=reject; pct=100; adkim=s; aspf=s; rua=mailto:postmaster@clusteres.com; ruf=mailto:postmaster@clusteres.com; rf=afrf; ri=86400; fo=1

Registro IPv4
host: bestglobalmed.com
class: IN
ttl: 300
type: A
ip: 157.90.56.179

Servidores DNS Principal (mname) y Secundario (rname)
host: bestglobalmed.com
class: IN
ttl: 1800
type: SOA
mname: gemma.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2345656926
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: bestglobalmed.com
class: IN
ttl: 300
type: MX
pri: 10
target: mail.clusteres.com

Información TXT
host: bestglobalmed.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx include:mxlogin.com -all
entries: Array