Registro IPv4
host: securetool.nl
class: IN
ttl: 3600
type: A
ip: 81.171.38.183

Servidores DNS Principal (mname) y Secundario (rname)
host: securetool.nl
class: IN
ttl: 3600
type: SOA
mname: ns1.2k22.nl
rname: hostmaster.securetool.nl
serial: 2021071901
refresh: 3600
retry: 3600
expire: 1209600
minimum-ttl: 86400

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

Información TXT
host: securetool.nl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ip4:81.171.38.183 ~all
entries: Array