My smart plug says local only can not connect to alexa

Hi, I just bought and set up a HS105 smart plug. It works great with my Amazon Dot and Alexa. I'm trying to additional to my Apple Homekit controls and can't figure out how to do it. Any help would be

I've manually configured DNS servers for my LAN clients through the Deco DHCP Server, using Cloudflare's 1.1.1.1 and 1.0.0.1. However, the DHCP server continues to pass my gateway address as a third D