Registro IPv4
host: biy.ru
class: IN
ttl: 3600
type: A
ip: 109.172.115.43

Servidores DNS Principal (mname) y Secundario (rname)
host: biy.ru
class: IN
ttl: 3600
type: SOA
mname: dns1.petrovich.ru
rname: dns.petrovich.ru
serial: 2025081500
refresh: 3600
retry: 3600
expire: 604800
minimum-ttl: 3600