Registro IPv4
host: medsaferx.com
class: IN
ttl: 3973
type: A
ip: 208.91.197.39

Servidores DNS Principal (mname) y Secundario (rname)
host: medsaferx.com
class: IN
ttl: 424
type: SOA
mname: DNS105.REGISTER.com
rname: root.REGISTER.com
serial: 120071016
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600