Since 2000, Netnod has operated i.root-servers.net, one of the Internet’s 13 root name servers and the first to be located outside of the United States. The root name servers, identified by letters A through M, provide the entry points to the Domain Name System (DNS) and are a critical part of the Internet’s infrastructure. In this Q&A, Netnod’s Lars-Johan Liman explains how Netnod meets the challenges of operating such a crucial part of the Internet’s infrastructure.