Registro DMARC
v=DMARC1; p=quarantine; adkim=s; aspf=s; rf=afrf; rua=mailto:rua@blocobec.com.br

Servidores DNS Principal (mname) y Secundario (rname)
host: blocobec.com.br
class: IN
ttl: 1800
type: SOA
mname: aitana.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2372021607
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: blocobec.com.br
class: IN
ttl: 300
type: MX
pri: 10
target: ses.hasek.com.br

Información TXT
host: blocobec.com.br
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx a:ses.hasek.com.br a:hasek.com.br ip4:91.191.212.26 -all
entries: Array