--- service: j.root-servers.net start-period: '2014-05-30T00:00:00Z' end-period: '2014-05-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3990294031 dns-udp-queries-received-ipv6: 272221356 dns-tcp-queries-received-ipv4: 30061440 dns-tcp-queries-received-ipv6: 5116483 dns-udp-responses-sent-ipv4: 4005586438 dns-udp-responses-sent-ipv6: 271977296 dns-tcp-responses-sent-ipv4: 29970778 dns-tcp-responses-sent-ipv6: 2344241