The .qb.com domain has been discontinued or is no longer assigned to the DNS Root.
You can browse related extensions that may provide you with other alternatives.
Why manage your .qb.com domain with 101domain?
101domain is an international domain registration service with the largest selection of global domain names across a variety of subjects. A .qb.com domain is just one of the many TLDs we can find, register, and manage for you and your business.