Registro IPv4
host: facemook.com
class: IN
ttl: 600
type: A
ip: 172.98.192.44

Servidores DNS Principal (mname) y Secundario (rname)
host: facemook.com
class: IN
ttl: 600
type: SOA
mname: ns1.smtmdns.com
rname: admin.facemook.com
serial: 2026062200
refresh: 86400
retry: 10800
expire: 604800
minimum-ttl: 300