--- service: a.root-servers.net start-period: '2014-07-05T00:00:00Z' end-period: '2014-07-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1911620629 dns-udp-queries-received-ipv6: 107315484 dns-tcp-queries-received-ipv4: 12291768 dns-tcp-queries-received-ipv6: 755206 dns-udp-responses-sent-ipv4: 1911510329 dns-udp-responses-sent-ipv6: 107306345 dns-tcp-responses-sent-ipv4: 12318394 dns-tcp-responses-sent-ipv6: 499241