Registro DMARC
v=DMARC1; p=none; sp=none; rua=mailto:spam-reports@dfu.com.pl

Registro IPv4
host: dfu.com.pl
class: IN
ttl: 3600
type: A
ip: 77.79.251.51

Servidores DNS Principal (mname) y Secundario (rname)
host: dfu.com.pl
class: IN
ttl: 3600
type: SOA
mname: ns1.jchost02.pl
rname: hostmaster.dfu.com.pl
serial: 2023102400
refresh: 3600
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: dfu.com.pl
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.dfu.com.pl

Información TXT
host: dfu.com.pl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ip4:85.232.238.205 include:spf.jchost.pl ~all
entries: Array