Registro IPv4
host: gurusmart.com
class: IN
ttl: 600
type: A
ip: 127.0.0.1

Servidores DNS Principal (mname) y Secundario (rname)
host: gurusmart.com
class: IN
ttl: 600
type: SOA
mname: ns1.verification-hold.suspended-domain.com
rname: admin.suspended-domain.com
serial: 2012022012
refresh: 7200
retry: 7200
expire: 172800
minimum-ttl: 7200