Registro IPv4
host: sfs-ds.com
class: IN
ttl: 404120
type: A
ip: 140.188.84.247

Servidores DNS Principal (mname) y Secundario (rname)
host: sfs-ds.com
class: IN
ttl: 404120
type: SOA
mname: chance.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2418519767
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800