Registro IPv4
host: qr.net
class: IN
ttl: 7200
type: A
ip: 188.40.28.36

Servidores DNS Principal (mname) y Secundario (rname)
host: qr.net
class: IN
ttl: 7200
type: SOA
mname: ns1.your-server.de
rname: postmaster.your-server.de
serial: 2025013000
refresh: 86400
retry: 10800
expire: 3600000
minimum-ttl: 7200

Servidor de Correo
host: qr.net
class: IN
ttl: 7200
type: MX
pri: 10
target: mail.qr.net

Información TXT
host: qr.net
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.mailjet.com +a +mx ?all
entries: Array