Registro IPv4
host: dailysci.com
class: IN
ttl: 3600
type: A
ip: 216.239.32.21

Servidores DNS Principal (mname) y Secundario (rname)
host: dailysci.com
class: IN
ttl: 3600
type: SOA
mname: dns1.name-services.com
rname: info.name-services.com
serial: 1723989142
refresh: 172800
retry: 900
expire: 1814400
minimum-ttl: 300