Registro IPv4
host: longcenter.org
class: IN
ttl: 7200
type: A
ip: 141.193.213.10

Servidores DNS Principal (mname) y Secundario (rname)
host: longcenter.org
class: IN
ttl: 7200
type: SOA
mname: NS67.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 122100714
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600