--- service: j.root-servers.net start-period: '2015-08-17T00:00:00Z' end-period: '2015-08-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5475154472 dns-udp-queries-received-ipv6: 304545290 dns-tcp-queries-received-ipv4: 61777115 dns-tcp-queries-received-ipv6: 23876040 dns-udp-responses-sent-ipv4: 4390026767 dns-udp-responses-sent-ipv6: 305672488 dns-tcp-responses-sent-ipv4: 61389506 dns-tcp-responses-sent-ipv6: 22047658