Registro IPv4
host: sites.by
class: IN
ttl: 300
type: A
ip: 20.112.234.214

Servidores DNS Principal (mname) y Secundario (rname)
host: sites.by
class: IN
ttl: 1800
type: SOA
mname: asa.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2378369908
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800