Registro IPv4
host: shs.To.it
class: IN
ttl: 2903
type: A
ip: 185.81.4.188

Servidores DNS Principal (mname) y Secundario (rname)
host: shs.To.it
class: IN
ttl: 2904
type: SOA
mname: ns1.dns4userver.com
rname: server.serverplan.com
serial: 2020032300
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: shs.To.it
class: IN
ttl: 2904
type: MX
pri: 10
target: mail.shs.to.it

Información TXT
host: shs.To.it
class: IN
ttl: 2904
type: TXT
txt: v=spf1 mx a ip4:185.81.4.188
entries: v=spf1 mx a ip4:185.81.4.188