Registro IPv4
host: posnara.com
class: IN
ttl: 520
type: A
ip: 1.234.23.16

Servidores DNS Principal (mname) y Secundario (rname)
host: posnara.com
class: IN
ttl: 1800
type: SOA
mname: posnara.com
rname: postmaster.posnara.com
serial: 20230920
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200