--- service: j.root-servers.net start-period: '2016-01-02T00:00:00Z' end-period: '2016-01-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3066686388 dns-udp-queries-received-ipv6: 511361386 dns-tcp-queries-received-ipv4: 46786924 dns-tcp-queries-received-ipv6: 1707565 dns-udp-responses-sent-ipv4: 3049745580 dns-udp-responses-sent-ipv6: 512176443 dns-tcp-responses-sent-ipv4: 40697826 dns-tcp-responses-sent-ipv6: 274120