--- service: d.root-servers.net start-period: '2015-10-31T00:00:00Z' end-period: '2015-10-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2896937027 dns-udp-queries-received-ipv6: 396700996 dns-tcp-queries-received-ipv4: 16500277 dns-tcp-queries-received-ipv6: 477816 dns-udp-responses-sent-ipv4: 2889840324 dns-udp-responses-sent-ipv6: 396446818 dns-tcp-responses-sent-ipv4: 16442050 dns-tcp-responses-sent-ipv6: 477771