--- service: i.root-servers.net start-period: '2016-02-07T00:00:00Z' end-period: '2016-02-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4400934560 dns-udp-queries-received-ipv6: 369325736 dns-tcp-queries-received-ipv4: 27579048 dns-tcp-queries-received-ipv6: 832282 dns-udp-responses-sent-ipv4: 4341123761 dns-udp-responses-sent-ipv6: 374808377 dns-tcp-responses-sent-ipv4: 27566051 dns-tcp-responses-sent-ipv6: 836167