Adding links to block list dont works in this case.
I am trying to block my phone from getting new ota updates, as I know that new update have many bugs.
So i blocked these in nextdns black list.
I got these links by enabling logs in nextdns setting .
But my phone still able to get updates dont know from where it resolves ota server addresses.
My phone dont have option to disable updates. I always keep going to settings:Updates to stop update from downloading everytime when i connect to wifi.
You're just blocking the sub domain. Kindly block full domain.
This way you can block all sub domains inside main domain & the link I have mentioned is for Oppo, Realme & Vivo phone that has ColorOS because heytapmobile & mobi also connected with Oppo & coloros.
I hope the above mentioned link will help.