--- service: a.root-servers.net start-period: '2016-08-24T00:00:00Z' end-period: '2016-08-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3661284569 dns-udp-queries-received-ipv6: 497349163 dns-tcp-queries-received-ipv4: 54457725 dns-tcp-queries-received-ipv6: 5697714 dns-udp-responses-sent-ipv4: 3650876013 dns-udp-responses-sent-ipv6: 497279277 dns-tcp-responses-sent-ipv4: 52538902 dns-tcp-responses-sent-ipv6: 4155139