Registro IPv4
host: u-s-a.ru
class: IN
ttl: 21600
type: A
ip: 31.31.199.133

Servidores DNS Principal (mname) y Secundario (rname)
host: u-s-a.ru
class: IN
ttl: 21600
type: SOA
mname: ns.help-pro.ru
rname: root.indeep.ru
serial: 2018012001
refresh: 3600
retry: 900
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: u-s-a.ru
class: IN
ttl: 21600
type: MX
pri: 5
target: ALT1.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: u-s-a.ru
class: IN
ttl: 21600
type: MX
pri: 5
target: ALT2.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: u-s-a.ru
class: IN
ttl: 21600
type: MX
pri: 1
target: ASPMX.L.GOOGLE.COM

Servidor de Correo
host: u-s-a.ru
class: IN
ttl: 21600
type: MX
pri: 10
target: ALT3.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: u-s-a.ru
class: IN
ttl: 21600
type: MX
pri: 10
target: ALT4.ASPMX.L.GOOGLE.COM