Coinbase.best - There are well over a staggering 20,000,000 results in Google on a "Coinbase" search. Some popular related searches are about: exactly what is the best coinbase, coinbase blog, coinbase price, bitcoin-coinbase, is coinbase free, latest news on coin-base, videos of coinbase, buy and sell bitcoins, what is ethereum, coinbase wallet...

coinbase.best is available and on-sale due to its owner retiring soon.

P.S. No worries about using the Coinbase.best domain while paying. You will have the same use as if you paid purchase price up-front, and be able to use your own DNS immediately upon making your first payment.