--- service: j.root-servers.net start-period: '2014-07-19T00:00:00Z' end-period: '2014-07-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4378338001 dns-udp-queries-received-ipv6: 270006113 dns-tcp-queries-received-ipv4: 55162332 dns-tcp-queries-received-ipv6: 6465330 dns-udp-responses-sent-ipv4: 4378382043 dns-udp-responses-sent-ipv6: 269697176 dns-tcp-responses-sent-ipv4: 56563209 dns-tcp-responses-sent-ipv6: 3363262