Register a domain name outside the umich.edu space, such as something.com or somethingelse.org. For domains inside the umich.edu space, see Registering umich.edu domains.
U-M DNS
The domainreg team is a reseller for OpenSRS (Tucows); they pass on the price with no added charges or markup. The people in that group overlap with the "ITS AWI Web and Application Hosting" group and work closely with Hostmaster-DNS-DHCP.