--- service: i.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: 4411440512 dns-udp-queries-received-ipv6: 318993459 dns-tcp-queries-received-ipv4: 30446275 dns-tcp-queries-received-ipv6: 569166 dns-udp-responses-sent-ipv4: 4359857072 dns-udp-responses-sent-ipv6: 324708170 dns-tcp-responses-sent-ipv4: 30583628 dns-tcp-responses-sent-ipv6: 576798