Registro IPv4
host: s3curity-itau.c1.biz
class: IN
ttl: 3600
type: A
ip: 185.176.43.106

Servidor de Correo
host: s3curity-itau.c1.biz
class: IN
ttl: 3600
type: MX
pri: 10
target: mx.s3curity-itau.c1.biz