Registro IPv4
host: catalyticengineering.com
class: IN
ttl: 3600
type: A
ip: 216.92.55.102

Servidores DNS Principal (mname) y Secundario (rname)
host: catalyticengineering.com
class: IN
ttl: 3600
type: SOA
mname: dns.pair.com
rname: root.pair.com
serial: 2020042915
refresh: 3600
retry: 300
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: catalyticengineering.com
class: IN
ttl: 3600
type: MX
pri: 50
target: mail1.g19.pair.com