--- service: i.root-servers.net start-period: '2015-02-05T00:00:00Z' end-period: '2015-02-06T00:23:03Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1310514704 dns-udp-queries-received-ipv6: 110238213 dns-tcp-queries-received-ipv4: 2560597 dns-tcp-queries-received-ipv6: 87542 dns-udp-responses-sent-ipv4: 1291807068 dns-udp-responses-sent-ipv6: 110207148 dns-tcp-responses-sent-ipv4: 2567026 dns-tcp-responses-sent-ipv6: 89364