--- service: j.root-servers.net start-period: '2016-03-04T00:00:00Z' end-period: '2016-03-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5501421054 dns-udp-queries-received-ipv6: 476842155 dns-tcp-queries-received-ipv4: 141164420 dns-tcp-queries-received-ipv6: 3157641 dns-udp-responses-sent-ipv4: 5254424534 dns-udp-responses-sent-ipv6: 513180608 dns-tcp-responses-sent-ipv4: 123653665 dns-tcp-responses-sent-ipv6: 319238