--- service: j.root-servers.net start-period: '2017-02-16T00:00:00Z' end-period: '2017-02-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6703100688 dns-udp-queries-received-ipv6: 672519127 dns-tcp-queries-received-ipv4: 197417246 dns-tcp-queries-received-ipv6: 12744495 dns-udp-responses-sent-ipv4: 6564875829 dns-udp-responses-sent-ipv6: 675596664 dns-tcp-responses-sent-ipv4: 169298075 dns-tcp-responses-sent-ipv6: 12887741