I just installed hustal on my website and this is what I found: I tried to register order.mydomain.tld and guess what? It got registered! The account was created and I couldn't believe it... I again tried registering order.mydomain.tld with the same account and it got registered again... At first I thought the script is showing false hosting accounts but when I checked mofh panel, I found this:
I still don't understand what's happening. But I tried same with InfinityFree and the problem is not there... So I guess the problem is with domain checker.