Servidores DNS Principal (mname) y Secundario (rname)
host: fasttech.com
class: IN
ttl: 1800
type: SOA
mname: pete.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2352788642
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: fasttech.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.fasttech.com

Información TXT
host: fasttech.com
class: IN
ttl: 300
type: TXT
txt: ca3-1904066aa31943d2a922ea74688a0153
entries: Array

Información TXT
host: fasttech.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a:mail.fasttech.com a:mx.fasttech.com a:mx2.fasttech.com include:mailgun.org mx -all
entries: Array