--- service: j.root-servers.net start-period: '2015-08-03T00:00:00Z' end-period: '2015-08-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4589714563 dns-udp-queries-received-ipv6: 305947585 dns-tcp-queries-received-ipv4: 37990437 dns-tcp-queries-received-ipv6: 19975718 dns-udp-responses-sent-ipv4: 3458553020 dns-udp-responses-sent-ipv6: 307047032 dns-tcp-responses-sent-ipv4: 37420888 dns-tcp-responses-sent-ipv6: 18321148