--- service: a.root-servers.net start-period: '2016-11-07T00:00:00Z' end-period: '2016-11-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4753413834 dns-udp-queries-received-ipv6: 430652082 dns-tcp-queries-received-ipv4: 180328949 dns-tcp-queries-received-ipv6: 8081781 dns-udp-responses-sent-ipv4: 4739587637 dns-udp-responses-sent-ipv6: 430345186 dns-tcp-responses-sent-ipv4: 181139155 dns-tcp-responses-sent-ipv6: 8089426