--- service: i.root-servers.net start-period: '2014-03-02T00:00:00Z' end-period: '2014-03-03T00:00:03Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2118249946 dns-udp-queries-received-ipv6: 154945389 dns-tcp-queries-received-ipv4: 4955715 dns-tcp-queries-received-ipv6: 276666 dns-udp-responses-sent-ipv4: 2072345843 dns-udp-responses-sent-ipv6: 155029056 dns-tcp-responses-sent-ipv4: 5001382 dns-tcp-responses-sent-ipv6: 279086