i just create my blog and that is ohmgdotnet.wordpress.com and in the same day i create blog i also bought a domain from another website (not wordpress) and it is ohmg.net after that i link that domain to my wordpress and setting up all the things include DNS setting, after i fiish it i try enter my blog using domain that i buy, it's work. but today when i trying enter my blog using domain that i bought, my firefox and all browser said can't find domain server, i already talk with customer support from tht site i bought that domain but they said this problem come from wordpress, so i hope wordpress can solve faster my problem.
for your information i didn't mapping yet my domain to wordpress because each time i need making payment using my debit card there have problem (my card no declined)