when you pick up domain name you should remember first to select best top level tld to use. there are many top level domain name like .com .net .org .info . some short topics here to choose your domain Should be looked at
(1) choose .com or .net or .org .info These domains are most commonly used
(2) As much as can give short name so will be much better
(3) domain name will be easy to type
(4) fudge number or hyphen
(5) use keyword
(6) rehash it brandable domain name.
Remember, a good domain name is very important for your blog. If you look at Amazon, you'll see how beautiful it is. And how successful his business is now.
Some more tips to choose domain name

i hope you have good day