Servidores DNS Principal (mname) y Secundario (rname)
host: m-g-m-sucks.net
class: IN
ttl: 76894
type: SOA
mname: edns2.ultradns.com
rname: tgodwin.mgm.com
serial: 2021050305
refresh: 86400
retry: 86400
expire: 86400
minimum-ttl: 86400