Dobexa.com It sounds like a medication, lol. Anyhow, it might work for a general discussion forum. Maybe medicine could be the funny logo or something.
It does sound like medication haha if Big Pharma approaches you showing interest overcharge the bastards.
Your domain name should reflect your niche. It would be great for the website promotion as it will be your keyword.
Doberman pet niche. If you brand it and write good content, any name can become popular. Just off the top of my head “Doberman with Xtra Attitude”.
A domain name should be such that visitors understand your niche when they see your domain name. You can use your niche keywords in the domain name.
It sounds logically true, but we've seen lots of cases where the best domain names are brand names which doesn't really explain what the website is about. Websites like google, yahoo, twitter etc Here's what Matt Cutts has got to say about branded domain names vs generic (niche keyword) domains