Servidores DNS Principal (mname) y Secundario (rname)
host: techbike.vn
class: IN
ttl: 1800
type: SOA
mname: brit.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2377815501
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: techbike.vn
class: IN
ttl: 300
type: MX
pri: 0
target: e2.vinahost.vn

Información TXT
host: techbike.vn
class: IN
ttl: 300
type: TXT
txt: v=spf1 a a:spf.vinahost.vn mx +include:sendgrid.net +include:smtpservice.net ~all
entries: Array