Registro DMARC
v=DMARC1; p=quarantine; p=reject; rua=mailto:dmarc@exeltis.com.br; ruf=mailto:dmarc@exeltis.com.br; rf=afrf; pct=100

Registro IPv4
host: exeltis.com.br
class: IN
ttl: 300
type: A
ip: 34.39.188.19

Servidores DNS Principal (mname) y Secundario (rname)
host: exeltis.com.br
class: IN
ttl: 1800
type: SOA
mname: devin.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2416477751
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: exeltis.com.br
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
entries: Array

Información TXT
host: exeltis.com.br
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:mailgun.org ~all
entries: Array