Registro IPv4
host: 1iotapromo.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: 1iotapromo.com
class: IN
ttl: 21600
type: SOA
mname: ns-cloud-c1.googledomains.com
rname: dns-admin.google.com
serial: 3
refresh: 21600
retry: 3600
expire: 1209600
minimum-ttl: 300