Registro IPv4
host: swanelectronics.com
class: IN
ttl: 600
type: A
ip: 121.254.178.252

Servidores DNS Principal (mname) y Secundario (rname)
host: swanelectronics.com
class: IN
ttl: 600
type: SOA
mname: ns1.expireddomain.zone
rname: root.expireddomain.zone
serial: 2025060606
refresh: 1800
retry: 600
expire: 1209600
minimum-ttl: 600