"We're still working," the company wrote on Twitter. "Getting closer to normal. Thanks for all your patience and understanding."
Elizabeth L. Driscoll, vice president of public relations for GoDaddy, said via email that the outage started around 10:25 AM Pacific time, and services for the bulk of affected customers were restored at 2:43 PM.
"At no time was any sensitive customer information, such as credit card data, passwords or names and addresses, compromised," she wrote. "We will provide an additional update within the next 24 hours."
The attack apparently affected GoDaddy's DNS (Domain Name System) servers, which direct browsers to the correct IP address after a domain name is requested. GoDaddy temporarily redirected its DNS traffic for GoDaddy.com to VeriSign, which also registers domain names and runs the ".com" and ".net" top-level domains, Driscoll said.
"Our services are now back to normal, we are no longer redirecting DNS traffic," she said. "It was helpful because it allowed our customers to manage their accounts while we restored services. We thank Verisign for their assistance today."
GoDaddy, one of the largest domain name registrars, manages some 48 million domain names and has more than 9.3 million customers. A member of the hacking collective Anonymous took credit for the takedown, claiming it was in retaliation for the company's support at one time for the Stop Online Piracy Act (SOPA). The company later its position.
The person, who goes by @AnonymousOwn3r on Twitter, for the attack. The person was the subject of both admiration and invective on Twitter, as the attack caused significant disruptions.
by Netcraft, an Internet security and monitoring services company in Bath, England, showed the GoDaddy.com domain was offline for a few hours on Monday afternoon, although it appeared to be recovering.
Efforts to reach AnonymousOwn3r were not immediately successful.