At the AM or SUSE Linux layer is there any DNS caching to deliberately extend the minimum TTL for a zone file entry?
Functional Specification question 7.1
The application framework (Java, .NET, etc.) layer, which by default typically caches DNS lookups.
The OS/Machine layer. This is uncommon but should still be verified
These questions came from our SMS provider Authentify to ensure that if they have maintenance and need to swing all ODA traffic to another data center, we don’t experience an outage due to our deliberate extension of DNS cached answers.