Registro IPv4
host: circle-book.com
class: IN
ttl: 90
type: A
ip: 18.180.177.222

Registro IPv4
host: circle-book.com
class: IN
ttl: 90
type: A
ip: 35.79.39.148

Servidores DNS Principal (mname) y Secundario (rname)
host: circle-book.com
class: IN
ttl: 900
type: SOA
mname: ns-451.awsdns-56.com
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400