--- service: a.root-servers.net start-period: '2015-11-02T00:00:00Z' end-period: '2015-11-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3530487860 dns-udp-queries-received-ipv6: 311353746 dns-tcp-queries-received-ipv4: 23660588 dns-tcp-queries-received-ipv6: 4754822 dns-udp-responses-sent-ipv4: 3541113656 dns-udp-responses-sent-ipv6: 310122028 dns-tcp-responses-sent-ipv4: 20608764 dns-tcp-responses-sent-ipv6: 1561528