--- service: j.root-servers.net start-period: '2016-04-09T00:00:00Z' end-period: '2016-04-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5402980053 dns-udp-queries-received-ipv6: 708109112 dns-tcp-queries-received-ipv4: 163344865 dns-tcp-queries-received-ipv6: 2332744 dns-udp-responses-sent-ipv4: 5114240818 dns-udp-responses-sent-ipv6: 704538738 dns-tcp-responses-sent-ipv4: 147463622 dns-tcp-responses-sent-ipv6: 292522