Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: flightcrews.com
class: IN
ttl: 14400
type: A
ip: 138.197.148.104

Servidores DNS Principal (mname) y Secundario (rname)
host: flightcrews.com
class: IN
ttl: 7200
type: SOA
mname: NS1.BLUEHOST.com
rname: root.BLUEHOST.com
serial: 126061716
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: flightcrews.com
class: IN
ttl: 3600
type: MX
pri: 0
target: flightcrews-com.mail.protection.outlook.com

Información TXT
host: flightcrews.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com -all
entries: Array