Registro IPv4
host: xybook.cc
class: IN
ttl: 600
type: A
ip: 82.180.133.180

Servidores DNS Principal (mname) y Secundario (rname)
host: xybook.cc
class: IN
ttl: 3600
type: SOA
mname: ns1.dns-parking.com
rname: dns.hostinger.com
serial: 2025052201
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 600