Registro IPv4
host: usapf.com
class: IN
ttl: 5258
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: usapf.com
class: IN
ttl: 5258
type: SOA
mname: NS27.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 112020914
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600