--- service: i.root-servers.net start-period: '2016-05-02T00:00:00Z' end-period: '2016-05-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5242327969 dns-udp-queries-received-ipv6: 413912133 dns-tcp-queries-received-ipv4: 33742103 dns-tcp-queries-received-ipv6: 912490 dns-udp-responses-sent-ipv4: 5180104026 dns-udp-responses-sent-ipv6: 418994630 dns-tcp-responses-sent-ipv4: 33513746 dns-tcp-responses-sent-ipv6: 916279