--- service: d.root-servers.net start-period: '2016-08-01T00:00:00Z' end-period: '2016-08-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3943760336 dns-udp-queries-received-ipv6: 463381123 dns-tcp-queries-received-ipv4: 34238274 dns-tcp-queries-received-ipv6: 1160548 dns-udp-responses-sent-ipv4: 3934171566 dns-udp-responses-sent-ipv6: 463083706 dns-tcp-responses-sent-ipv4: 34125102 dns-tcp-responses-sent-ipv6: 1154850