--- service: j.root-servers.net start-period: '2015-07-04T00:00:00Z' end-period: '2015-07-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4513649561 dns-udp-queries-received-ipv6: 292802123 dns-tcp-queries-received-ipv4: 63787504 dns-tcp-queries-received-ipv6: 22304282 dns-udp-responses-sent-ipv4: 4425219913 dns-udp-responses-sent-ipv6: 292707718 dns-tcp-responses-sent-ipv4: 62227305 dns-tcp-responses-sent-ipv6: 20216984