--- service: j.root-servers.net start-period: '2016-03-17T00:00:00Z' end-period: '2016-03-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5482116100 dns-udp-queries-received-ipv6: 690619416 dns-tcp-queries-received-ipv4: 164306530 dns-tcp-queries-received-ipv6: 4068431 dns-udp-responses-sent-ipv4: 5288685466 dns-udp-responses-sent-ipv6: 744188130 dns-tcp-responses-sent-ipv4: 140382531 dns-tcp-responses-sent-ipv6: 311017