Hey Simpan,

The recording on your link seems to have been deleted. If you have another sample of your singing voice it would help to answer your question. That being said, I would suggest to focus on becoming a good singer rather than focussing on a specific voice type. Plus, if you're singing rock or Metal, it doesn't even matter what voice type you have. You're singing Dio, so I'm sure you're trying to sing those crazy high notes. And guess what? you can sing them even you were a Bass because those high notes are primarily in head voice. A training program I'd recommend to work on this is The Four Pillars of SInging. A big part of the program focuses on developing your singing above the Passaggio (vocal break) so that you're able to sing those high notes without straining. Good luck, post another example of your singing and Here's the link to the program if you're interested: https://thevocaliststudio.com/the-four-pillars-of-singing/?ref=9