Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc-officer@prefo.pl

Registro IPv4
host: lutkom.pl
class: IN
ttl: 21600
type: A
ip: 137.74.7.248

Servidores DNS Principal (mname) y Secundario (rname)
host: lutkom.pl
class: IN
ttl: 21600
type: SOA
mname: ns1.prefo.pl
rname: dns.prefo.pl
serial: 2026102501
refresh: 10800
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: lutkom.pl
class: IN
ttl: 21600
type: MX
pri: 10
target: mx4.poczta.prefo.pl

Información TXT
host: lutkom.pl
class: IN
ttl: 21600
type: TXT
txt: v=spf1 include:poczta.prefo.pl -all
entries: Array