--- service: j.root-servers.net start-period: '2016-02-07T00:00:00Z' end-period: '2016-02-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5081279824 dns-udp-queries-received-ipv6: 572542480 dns-tcp-queries-received-ipv4: 88103369 dns-tcp-queries-received-ipv6: 1558738 dns-udp-responses-sent-ipv4: 4571539080 dns-udp-responses-sent-ipv6: 578293602 dns-tcp-responses-sent-ipv4: 78508896 dns-tcp-responses-sent-ipv6: 321468