You can grab many v12 peers and add multiple "connect=IP" strings in dash.conf at once. Also, did addnode method failed for you?It's a pain when you connect directly to your mn and you have only that peer connected. Blocks are synced but it takes long hours to sync masternodes, sporks from one peer (I need to connect more of them). I thought I don't need to wait for it to start a mn. I think I was synced with one which worked.
I'll check Lebubar's way later. Thanks