--- service: a.root-servers.net start-period: '2016-01-08T00:00:00Z' end-period: '2016-01-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5113104157 dns-udp-queries-received-ipv6: 315850084 dns-tcp-queries-received-ipv4: 65898751 dns-tcp-queries-received-ipv6: 2105029 dns-udp-responses-sent-ipv4: 5108705797 dns-udp-responses-sent-ipv6: 316167284 dns-tcp-responses-sent-ipv4: 56333245 dns-tcp-responses-sent-ipv6: 263735