Servidores DNS Principal (mname) y Secundario (rname)
host: fcfm.buap.mx
class: IN
ttl: 3600
type: SOA
mname: fismat1.fcfm.buap.mx
rname: hostmaster.fcfm.buap.mx
serial: 2014060898
refresh: 21600
retry: 3600
expire: 1209600
minimum-ttl: 7200

Servidor de Correo
host: fcfm.buap.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: correo.fcfm.buap.mx

Información TXT
host: fcfm.buap.mx
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx ~all
entries: Array