Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: sbf.sk
class: IN
ttl: 3600
type: A
ip: 217.67.30.40

Servidores DNS Principal (mname) y Secundario (rname)
host: sbf.sk
class: IN
ttl: 86400
type: SOA
mname: ns1.dnsbackup.net
rname: root.dnsbackup.net
serial: 2020070101
refresh: 36000
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: sbf.sk
class: IN
ttl: 86400
type: MX
pri: 5
target: mailin.mx-hub.eu

Servidor de Correo
host: sbf.sk
class: IN
ttl: 86400
type: MX
pri: 5
target: mailin.mx-hub.sk

Servidor de Correo
host: sbf.sk
class: IN
ttl: 86400
type: MX
pri: 5
target: mailin.mx-hub.cz

Servidor de Correo
host: sbf.sk
class: IN
ttl: 86400
type: MX
pri: 5
target: mailin.mx-hub.net

Información TXT
host: sbf.sk
class: IN
ttl: 600
type: TXT
txt: v=spf2.0/mfrom,pra +a +mx include:_spf2.nameserver.sk ?all
entries: Array

Información TXT
host: sbf.sk
class: IN
ttl: 600
type: TXT
txt: v=spf1 a mx include:_spf.nameserver.sk ?all
entries: Array