Registro IPv4
host: keygen.us
class: IN
ttl: 600
type: A
ip: 192.157.56.141

Servidores DNS Principal (mname) y Secundario (rname)
host: keygen.us
class: IN
ttl: 600
type: SOA
mname: ns1.kirklanddc.com
rname: admin.keygen.us
serial: 2026060907
refresh: 86400
retry: 10800
expire: 604800
minimum-ttl: 300