Registro IPv4
host: sol-3.com
class: IN
ttl: 3600
type: A
ip: 89.31.143.20

Servidores DNS Principal (mname) y Secundario (rname)
host: sol-3.com
class: IN
ttl: 3600
type: SOA
mname: ns1.sol-3.com
rname: hostmaster.sol-3.com
serial: 1
refresh: 86400
retry: 10800
expire: 3600000
minimum-ttl: 172800