Servidores DNS Principal (mname) y Secundario (rname)
host: africanrainbowmineralsltd.net
class: IN
ttl: 13725
type: SOA
mname: ns1.iptwins.net
rname: dns-log.iptwins.com
serial: 2020111000
refresh: 86400
retry: 7200
expire: 2592000
minimum-ttl: 345600