Registro IPv4
host: library29.ru
class: IN
ttl: 80505
type: A
ip: 109.172.58.27

Servidores DNS Principal (mname) y Secundario (rname)
host: library29.ru
class: IN
ttl: 86400
type: SOA
mname: ns.aonb.ru
rname: olmer.aonb.ru
serial: 2025091700
refresh: 900
retry: 600
expire: 604800
minimum-ttl: 3600