Servidores DNS Principal (mname) y Secundario (rname)
host: dp.do
class: IN
ttl: 90
type: SOA
mname: pdns.dc-2.lb.dcwp.pl
rname: bofh.grupawp.pl
serial: 2022042202
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: dp.do
class: IN
ttl: 3600
type: MX
pri: 10
target: mx-gda.grupawp.pl

Servidor de Correo
host: dp.do
class: IN
ttl: 3600
type: MX
pri: 5
target: mx-waw.grupawp.pl