Registro IPv4
host: bookmark2020.com
class: IN
ttl: 600
type: A
ip: 172.93.103.102

Servidores DNS Principal (mname) y Secundario (rname)
host: bookmark2020.com
class: IN
ttl: 600
type: SOA
mname: ns1.commonmx.com
rname: admin.bookmark2020.com
serial: 2025040108
refresh: 86400
retry: 10800
expire: 604800
minimum-ttl: 300