Registro IPv4
host: doofootball.com
class: IN
ttl: 1800
type: A
ip: 52.220.64.27

Servidores DNS Principal (mname) y Secundario (rname)
host: doofootball.com
class: IN
ttl: 3600
type: SOA
mname: dns1.name-services.com
rname: info.name-services.com
serial: 1678702459
refresh: 172800
retry: 900
expire: 1814400
minimum-ttl: 300