--- service: j.root-servers.net start-period: '2015-06-08T00:00:00Z' end-period: '2015-06-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2938043491 dns-udp-queries-received-ipv6: 200889068 dns-tcp-queries-received-ipv4: 25806237 dns-tcp-queries-received-ipv6: 12376526 dns-udp-responses-sent-ipv4: 2876233780 dns-udp-responses-sent-ipv6: 200860612 dns-tcp-responses-sent-ipv4: 24956031 dns-tcp-responses-sent-ipv6: 8462255