Registro IPv4
host: update-manifests.dcs.ironport.com
class: IN
ttl: 90
type: A
ip: 208.90.58.5

Registro CNAME (Alias)
host: update-manifests.ironport.com
class: IN
ttl: 120
type: CNAME
target: update-manifests.dcs.ironport.com

Registro CNAME (Alias)
host: update-manifests.ironport.com
class: IN
ttl: 120
type: CNAME
target: update-manifests.dcs.ironport.com