Registro IPv4
host: ipwhois.com
class: IN
ttl: 38400
type: A
ip: 162.215.226.6

Servidores DNS Principal (mname) y Secundario (rname)
host: ipwhois.com
class: IN
ttl: 7200
type: SOA
mname: dns1.bigrock.com
rname: da.cdbz.com
serial: 2017010802
refresh: 7200
retry: 7200
expire: 172800
minimum-ttl: 38400