--- service: j.root-servers.net start-period: '2016-01-30T00:00:00Z' end-period: '2016-01-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4921099448 dns-udp-queries-received-ipv6: 579442355 dns-tcp-queries-received-ipv4: 119270143 dns-tcp-queries-received-ipv6: 1691627 dns-udp-responses-sent-ipv4: 4512736643 dns-udp-responses-sent-ipv6: 583628586 dns-tcp-responses-sent-ipv4: 97369666 dns-tcp-responses-sent-ipv6: 333687