Yes, cached A records get expired in HAProxy (both community and enterprise). HAProxy won't follow-up the TTL returned by the server. It's up to the administra

Yes, cached A records get expired in HAProxy (both community and enterprise). HAProxy won't follow-up the TTL returned by the server. It's up to the administrator to decide how HAProxy should behave with DNS responses. From my point of view, you don't need synapse any more if your usage of synapse is limited to this single feature.