Rather than reinvent the wheel, one place I worked used SRV records for service discovery. Unlike A recrods, SRV records can have host names, so the limit is a

Rather than reinvent the wheel, one place I worked used SRV records for service discovery. Unlike A recrods, SRV records can have host names, so the limit is a lot lower, and they hit it. They might have even hit it twice when a client is UDP-only.