--- service: j.root-servers.net start-period: '2014-05-23T00:00:00Z' end-period: '2014-05-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2987255026 dns-udp-queries-received-ipv6: 242123017 dns-tcp-queries-received-ipv4: 25198585 dns-tcp-queries-received-ipv6: 3944303 dns-udp-responses-sent-ipv4: 2969491020 dns-udp-responses-sent-ipv6: 241982488 dns-tcp-responses-sent-ipv4: 26949838 dns-tcp-responses-sent-ipv6: 618346