Registro IPv4
host: grair.ru
class: IN
ttl: 21600
type: A
ip: 78.37.71.4

Servidores DNS Principal (mname) y Secundario (rname)
host: grair.ru
class: IN
ttl: 21600
type: SOA
mname: ns1.r01.ru
rname: noc.parkline.ru
serial: 2019122400
refresh: 10800
retry: 1800
expire: 604800
minimum-ttl: 900