--- service: a.root-servers.net start-period: '2016-08-10T00:00:00Z' end-period: '2016-08-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3491876996 dns-udp-queries-received-ipv6: 465812712 dns-tcp-queries-received-ipv4: 48666194 dns-tcp-queries-received-ipv6: 5046123 dns-udp-responses-sent-ipv4: 3489574964 dns-udp-responses-sent-ipv6: 442304961 dns-tcp-responses-sent-ipv4: 47632448 dns-tcp-responses-sent-ipv6: 3749381