The Following Routing Policies Are Available With Route53:

• Simple Routing Policy
• Weighted Routing Policy
• Latency-based Routing Policy
• Failover Routing Policy
• Geolocation Routing Policy (Traffic Flow Only)
• Multivalue Answer Routing Policy

Simple Routing Policy

• If you choose the simple routing policy you can only have one records with multiple IP addresses.
• If you specificy multiple values in a record, Route53 returns all values to the user in a random order

Your browser will cache the IP that you got from DNS for the duration of the TTL, you can mitigate this by flushing your dns