GoDaddy Domain Appraisals gives you the most accurate estimate available because here algorithm combines. machine-learning with real-market sales data compiled from our 20 years of experience.
Actually, the value of a domain name is the price of any person, the organization has to pay in order to purchase a name for their website. The costs can range from a one-digit number to 6- or 7-digit numbers, depending on the valuation factors.
You can look at Moz's rating score or even say ahrefs for that matter. But if you need more options then you can look at estibot, freevaluator, valuate to name a few. I helped on of my clients, who had purchased a domain name from BigRock, sell their domain name at a good price after gaining market understanding and also some help with these tools to verify.