--- service: j.root-servers.net start-period: '2016-12-13T00:00:00Z' end-period: '2016-12-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6697311101 dns-udp-queries-received-ipv6: 639601492 dns-tcp-queries-received-ipv4: 247538780 dns-tcp-queries-received-ipv6: 13785401 dns-udp-responses-sent-ipv4: 6554550312 dns-udp-responses-sent-ipv6: 642742756 dns-tcp-responses-sent-ipv4: 207960835 dns-tcp-responses-sent-ipv6: 13084079