Registro IPv4
host: free-ecr.us
class: IN
ttl: 1425
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: free-ecr.us
class: IN
ttl: 3729
type: SOA
mname: NS39.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 112020822
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600