Registro DMARC
v=spf1 a mx include:spf.tld.pl -all

Registro IPv4
host: 1stcav.pl
class: IN
ttl: 21600
type: A
ip: 94.152.8.37

Servidores DNS Principal (mname) y Secundario (rname)
host: 1stcav.pl
class: IN
ttl: 3600
type: SOA
mname: ns1.kei.pl
rname: admin.kei.pl
serial: 2024012600
refresh: 10800
retry: 1800
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: 1stcav.pl
class: IN
ttl: 21600
type: MX
pri: 10
target: 1stcav.pl

Información TXT
host: 1stcav.pl
class: IN
ttl: 21600
type: TXT
txt: v=spf1 a mx include:spf.tld.pl -all
entries: Array

Información TXT
host: 1stcav.pl
class: IN
ttl: 21600
type: TXT
txt: af1c52ef477745e260aaaf5b1d78c30e2d4141a976390b7a84c5de00343b23ca
entries: Array