Servidores DNS Principal (mname) y Secundario (rname)
host: user3g.veloxzone.com.br
class: IN
ttl: 21600
type: SOA
mname: ns4.telemar.net.br
rname: root.ns4.telemar.net.br
serial: 2021051808
refresh: 21600
retry: 3600
expire: 1209600
minimum-ttl: 432000