Kong Gateway - which is built on top of NGINX - provides frequent DNS lookups for free in the open source version, and we have implemented this feature a very l

Kong Gateway - which is built on top of NGINX - provides frequent DNS lookups for free in the open source version, and we have implemented this feature a very long time ago (2017?) to overcome this limitation. So if you need need this capability for free, check it out. Not only that, but SRV record resolutions too.