A lot of country code domain names are easy to register, like .us and .me. But some are quite expensive and tricky. Daniel Greenberg with Lexsynergy discusses domains that cost $4,000 to register, one that requires a hand-delivered application and more tricky ccTLDs. Also: Nissan sells Z.com for $6.8 million, GoDaddy's latest earnings and .dot. See more onĀ www.DomainNameWire.com.