Registro IPv4
host: sofina.us
class: IN
ttl: 21600
type: A
ip: 209.15.37.6

Servidores DNS Principal (mname) y Secundario (rname)
host: sofina.us
class: IN
ttl: 21600
type: SOA
mname: ns1.webnames.ca
rname: postmaster.webnames.ca
serial: 1637696302
refresh: 21600
retry: 180
expire: 1209600
minimum-ttl: 3600