--- service: a.root-servers.net start-period: '2016-10-07T00:00:00Z' end-period: '2016-10-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4443204884 dns-udp-queries-received-ipv6: 396937230 dns-tcp-queries-received-ipv4: 140021808 dns-tcp-queries-received-ipv6: 7918265 dns-udp-responses-sent-ipv4: 4415560253 dns-udp-responses-sent-ipv6: 390949642 dns-tcp-responses-sent-ipv4: 140353808 dns-tcp-responses-sent-ipv6: 6844501