--- service: a.root-servers.net start-period: '2015-11-10T00:00:00Z' end-period: '2015-11-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3657223695 dns-udp-queries-received-ipv6: 316327907 dns-tcp-queries-received-ipv4: 22516029 dns-tcp-queries-received-ipv6: 2260727 dns-udp-responses-sent-ipv4: 3656441218 dns-udp-responses-sent-ipv6: 316334763 dns-tcp-responses-sent-ipv4: 20226052 dns-tcp-responses-sent-ipv6: 263756