--- service: j.root-servers.net start-period: '2015-05-17T00:00:00Z' end-period: '2015-05-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3061644189 dns-udp-queries-received-ipv6: 260045006 dns-tcp-queries-received-ipv4: 23178592 dns-tcp-queries-received-ipv6: 5353148 dns-udp-responses-sent-ipv4: 3003906621 dns-udp-responses-sent-ipv6: 259868524 dns-tcp-responses-sent-ipv4: 22655416 dns-tcp-responses-sent-ipv6: 5643225