--- service: a.root-servers.net start-period: '2016-09-05T00:00:00Z' end-period: '2016-09-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4810010622 dns-udp-queries-received-ipv6: 477336290 dns-tcp-queries-received-ipv4: 118974330 dns-tcp-queries-received-ipv6: 6068264 dns-udp-responses-sent-ipv4: 4805192506 dns-udp-responses-sent-ipv6: 477284464 dns-tcp-responses-sent-ipv4: 118941052 dns-tcp-responses-sent-ipv6: 4400181