Servidores DNS Principal (mname) y Secundario (rname)
host: ufc.es
class: IN
ttl: 21600
type: SOA
mname: dns1.nnttr.com
rname: hostmaster.nnttr.com
serial: 2015062413
refresh: 21600
retry: 3600
expire: 2419200
minimum-ttl: 1800

Servidor de Correo
host: ufc.es
class: IN
ttl: 3600
type: MX
pri: 10
target: smtp.nnttr.com

Servidor de Correo
host: ufc.es
class: IN
ttl: 3600
type: MX
pri: 20
target: mxb.avenetit.es

Información TXT
host: ufc.es
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx a:smtp.nnttr.com a:mxb.avenetit.es -all
entries: Array