Registro IPv4
host: myemail.constantcontact.com.cdn.cloudflare.net
class: IN
ttl: 300
type: A
ip: 104.16.233.42

Registro IPv4
host: myemail.constantcontact.com.cdn.cloudflare.net
class: IN
ttl: 300
type: A
ip: 104.16.234.42

Registro CNAME (Alias)
host: myemail.constantcontact.com
class: IN
ttl: 600
type: CNAME
target: myemail.constantcontact.com.cdn.cloudflare.net

Registro CNAME (Alias)
host: myemail.constantcontact.com
class: IN
ttl: 600
type: CNAME
target: myemail.constantcontact.com.cdn.cloudflare.net