Product : AppScale, Eucalyptus/Current, 4.4.5
Feature : DNS hostname resolution, Networking, Infrastructure Services
Content Owner:  Bhagyashri (Shri) Bhagvat
Summary
DNS names for VM instances is supported automatically
Details
http://docs.eucalyptus.cloud/eucalyptus/4.4.5/index.html#shared/setting_up_dns.html