Registro IPv4
host: edu21.pl
class: IN
ttl: 100
type: A
ip: 37.28.159.194

Servidores DNS Principal (mname) y Secundario (rname)
host: edu21.pl
class: IN
ttl: 120
type: SOA
mname: ns1.domenomania.pl
rname: hostmaster.edu21.pl
serial: 2024060202
refresh: 120
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: edu21.pl
class: IN
ttl: 100
type: MX
pri: 10
target: mail.edu21.pl

Información TXT
host: edu21.pl
class: IN
ttl: 120
type: TXT
txt: v=spf1 +include:spf.domenomania.pl ~all
entries: Array