--- service: j.root-servers.net start-period: '2015-08-15T00:00:00Z' end-period: '2015-08-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4570571477 dns-udp-queries-received-ipv6: 289915074 dns-tcp-queries-received-ipv4: 60710185 dns-tcp-queries-received-ipv6: 24326552 dns-udp-responses-sent-ipv4: 3499286914 dns-udp-responses-sent-ipv6: 291027961 dns-tcp-responses-sent-ipv4: 60463380 dns-tcp-responses-sent-ipv6: 22844232