Registro IPv4
host: Mike-brown.com
class: IN
ttl: 14400
type: A
ip: 198.49.23.145

Servidores DNS Principal (mname) y Secundario (rname)
host: Mike-brown.com
class: IN
ttl: 21600
type: SOA
mname: ns-cloud-b1.googledomains.com
rname: dns-admin.google.com
serial: 4
refresh: 21600
retry: 3600
expire: 1209600
minimum-ttl: 300