Registro IPv4
host: smtbuyer.com
class: IN
ttl: 18999
type: A
ip: 23.227.38.72

Servidores DNS Principal (mname) y Secundario (rname)
host: smtbuyer.com
class: IN
ttl: 18999
type: SOA
mname: ns-cloud-c1.googledomains.com
rname: cloud-dns-hostmaster.google.com
serial: 1
refresh: 21600
retry: 3600
expire: 259200
minimum-ttl: 300

Registro IPv6
host: smtbuyer.com
class: IN
ttl: 18999
type: AAAA
ipv6: 2620:127:f00f:c::