Servidores DNS Principal (mname) y Secundario (rname)
host: gonefishingoptics.com
class: IN
ttl: 58464
type: SOA
mname: primary.guardeddns.net
rname: dns-admin.guardeddns.net
serial: 102
refresh: 28800
retry: 450
expire: 1209600
minimum-ttl: 900