Registro DMARC
v=DMARC1; p=quarantine; adkim=s; aspf=s

Registro IPv4
host: microsoftants.com
class: IN
ttl: 604800
type: A
ip: 74.208.53.37

Servidores DNS Principal (mname) y Secundario (rname)
host: microsoftants.com
class: IN
ttl: 604800
type: SOA
mname: bob.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2418439930
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: microsoftants.com
class: IN
ttl: 604800
type: MX
pri: 10
target: mail.microsoftants.com

Información TXT
host: microsoftants.com
class: IN
ttl: 604800
type: TXT
txt: v=spf1 +a +mx +a:davidchadd.com -all
entries: Array