--- service: d.root-servers.net start-period: '2015-11-09T00:00:00Z' end-period: '2015-11-09T15:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2327988666 dns-udp-queries-received-ipv6: 294009155 dns-tcp-queries-received-ipv4: 12043679 dns-tcp-queries-received-ipv6: 334146 dns-udp-responses-sent-ipv4: 2318088368 dns-udp-responses-sent-ipv6: 293784309 dns-tcp-responses-sent-ipv4: 11975242 dns-tcp-responses-sent-ipv6: 333850