--- service: j.root-servers.net start-period: '2014-05-13T00:00:00Z' end-period: '2014-05-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3130716586 dns-udp-queries-received-ipv6: 262123710 dns-tcp-queries-received-ipv4: 23812936 dns-tcp-queries-received-ipv6: 3653054 dns-udp-responses-sent-ipv4: 3123392478 dns-udp-responses-sent-ipv6: 261961199 dns-tcp-responses-sent-ipv4: 22604031 dns-tcp-responses-sent-ipv6: 248