Registro DMARC
v=DMARC1;p=none

Registro IPv4
host: doslonce.pl
class: IN
ttl: 3600
type: A
ip: 148.251.196.10

Servidores DNS Principal (mname) y Secundario (rname)
host: doslonce.pl
class: IN
ttl: 3600
type: SOA
mname: ns1.cal.pl
rname: hostmaster.doslonce.pl
serial: 2024011111
refresh: 3600
retry: 3600
expire: 1209600
minimum-ttl: 86400

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

Información TXT
host: doslonce.pl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ip4:148.251.196.10 include:spf.cal.pl -all
entries: Array