Registro IPv4
host: usnd.to
class: IN
ttl: 300
type: A
ip: 37.27.116.99

Registro IPv4
host: usnd.to
class: IN
ttl: 300
type: A
ip: 148.251.45.195

Servidores DNS Principal (mname) y Secundario (rname)
host: usnd.to
class: IN
ttl: 86400
type: SOA
mname: ns20.digicertdns.com
rname: dns.digicertdns.com
serial: 2009010777
refresh: 43200
retry: 3600
expire: 1209600
minimum-ttl: 180