--- service: d.root-servers.net start-period: '2015-10-26T00:00:00Z' end-period: '2015-10-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3218848979 dns-udp-queries-received-ipv6: 416925220 dns-tcp-queries-received-ipv4: 16082141 dns-tcp-queries-received-ipv6: 518409 dns-udp-responses-sent-ipv4: 3204800763 dns-udp-responses-sent-ipv6: 416559637 dns-tcp-responses-sent-ipv4: 16054541 dns-tcp-responses-sent-ipv6: 518147