--- service: j.root-servers.net start-period: '2015-05-24T00:00:00Z' end-period: '2015-05-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2810231385 dns-udp-queries-received-ipv6: 248584456 dns-tcp-queries-received-ipv4: 27827890 dns-tcp-queries-received-ipv6: 5834074 dns-udp-responses-sent-ipv4: 2760321617 dns-udp-responses-sent-ipv6: 248511625 dns-tcp-responses-sent-ipv4: 27181983 dns-tcp-responses-sent-ipv6: 4642576