--- service: j.root-servers.net start-period: '2016-02-17T00:00:00Z' end-period: '2016-02-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5637083540 dns-udp-queries-received-ipv6: 578588374 dns-tcp-queries-received-ipv4: 127929152 dns-tcp-queries-received-ipv6: 2853000 dns-udp-responses-sent-ipv4: 5160740629 dns-udp-responses-sent-ipv6: 579472725 dns-tcp-responses-sent-ipv4: 112370929 dns-tcp-responses-sent-ipv6: 309451