Registro DMARC
v=DMARC1; p=none; sp=none;

Registro IPv4
host: znane-firmy.pl
class: IN
ttl: 3600
type: A
ip: 77.55.252.140

Servidores DNS Principal (mname) y Secundario (rname)
host: znane-firmy.pl
class: IN
ttl: 3600
type: SOA
mname: dns1.linux.pl
rname: hostmaster.znane-firmy.pl
serial: 2025103105
refresh: 3600
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: znane-firmy.pl
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.znane-firmy.pl

Información TXT
host: znane-firmy.pl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ip4:77.55.252.140 ~all
entries: Array