I have set up a CNAME in Amazon's Route 53 to point to another server.
This is a new CNAME for a new subdomain pointing to an existing domain name.
With other DNS providers that I've worked with, new Canonical Name records have aliased to another canonical domain name instantly.
Best Answer
Route 53
DNS
record changes propagate in less than a minute, butTTL
times will impact on how quicklyDNS
resolvers check back for updated records.Or, if you prefer the AWS developer forums...