Registro IPv4
host: files.md
class: IN
ttl: 3600
type: A
ip: 159.89.29.112

Servidores DNS Principal (mname) y Secundario (rname)
host: files.md
class: IN
ttl: 1800
type: SOA
mname: ns1.digitalocean.com
rname: hostmaster.files.md
serial: 0
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 1800