Servidores DNS Principal (mname) y Secundario (rname)
host: 988pc.com
class: IN
ttl: 1601
type: SOA
mname: chan.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2392933634
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800