Servidores DNS Principal (mname) y Secundario (rname)
host: addsun.nl
class: IN
ttl: 85004
type: SOA
mname: ns1032.ui-dns.biz
rname: hostmaster.1und1.com
serial: 2017060115
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: addsun.nl
class: IN
ttl: 2204
type: MX
pri: 10
target: mx1.forwardemail.net

Servidor de Correo
host: addsun.nl
class: IN
ttl: 2204
type: MX
pri: 10
target: mx2.forwardemail.net

Información TXT
host: addsun.nl
class: IN
ttl: 2204
type: TXT
txt: forward-email=trantan2520@gmail.com
entries: Array