--- service: j.root-servers.net start-period: '2015-04-02T00:00:00Z' end-period: '2015-04-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3225721903 dns-udp-queries-received-ipv6: 315136780 dns-tcp-queries-received-ipv4: 24716210 dns-tcp-queries-received-ipv6: 6623649 dns-udp-responses-sent-ipv4: 3223571933 dns-udp-responses-sent-ipv6: 315076885 dns-tcp-responses-sent-ipv4: 24436434 dns-tcp-responses-sent-ipv6: 3896759