--- service: j.root-servers.net start-period: '2015-01-03T00:00:00Z' end-period: '2015-01-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3583096505 dns-udp-queries-received-ipv6: 229088284 dns-tcp-queries-received-ipv4: 29732706 dns-tcp-queries-received-ipv6: 5490128 dns-udp-responses-sent-ipv4: 3587551641 dns-udp-responses-sent-ipv6: 229039037 dns-tcp-responses-sent-ipv4: 29910768 dns-tcp-responses-sent-ipv6: 4817942