Registro IPv4
host: coursenguides.com
class: IN
ttl: 300
type: A
ip: 172.67.212.56

Registro IPv4
host: coursenguides.com
class: IN
ttl: 300
type: A
ip: 104.21.53.110

Servidores DNS Principal (mname) y Secundario (rname)
host: coursenguides.com
class: IN
ttl: 1800
type: SOA
mname: boyd.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2417628269
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: coursenguides.com
class: IN
ttl: 300
type: MX
pri: 0
target: _dc-mx.0d2d51f75df7.coursenguides.com