Many factors come into play in domain name appraisal:
The domain extension. ".com" domains always being valued the highest.
How many words the domain is comprised of.
The meaning of the domain name.
The age of the domain name.
The length of the domain, typically shorter is better.
Is the domain singular or plural?
Does the domain contain hyphens?
Is the domain is pronounceable?
Memorability
How often the domain's keywords are searched.
Does the domain contain any letters?
What’s the price of similar domain names?
Domain name appraisal is a smart service to purchase. A certified appraisal can provide an accurate value to both buyers and sellers during a domain purchase transaction.
In certain cases, the law may require them to have a certified domain name appraisal. Companies need to assess the value of their company as a whole, the value of domain names also need to be taken into account. Domain names should be treated the same as any other possession. In the end an independent domain name appraisal company is the best possible place to have your domains evaluated since it is unbiased.