Registro IPv4
host: maildrop.com
class: IN
ttl: 3600
type: A
ip: 23.22.29.180

Servidores DNS Principal (mname) y Secundario (rname)
host: maildrop.com
class: IN
ttl: 5670
type: SOA
mname: ns1.awsns.net
rname: admin.awsns.net
serial: 2025061201
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400