B Root

B Root

The B Root Domain Name Server (DNS) is operated the University of Southern California by the Internet and Networked Systems Division at the Information Sciences Institute working with USC’s Information Technology Services.

B Root provides root DNS service at (IPv4) and 2001:500:84::b (IPv6), operating as b.root-servers.net.

B Root is operated as a public service to the Internet. As a research university, we also support research.

USC/ISI has provided root DNS service since the inception of the DNS in 1987 (more history).


Subscribe via RSS, and see all news.

More Information

Contact us.

About our data: RSSAC-002 data (details).

Thanks and support and history.

Statements on DNS Data Sharing, Operational Principles, Research, Responses