--- service: i.root-servers.net start-period: '2014-07-02T00:00:00Z' end-period: '2014-07-03T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3305514508 dns-udp-queries-received-ipv6: 206573571 dns-tcp-queries-received-ipv4: 7185771 dns-tcp-queries-received-ipv6: 277700 dns-udp-responses-sent-ipv4: 3251383872 dns-udp-responses-sent-ipv6: 209785485 dns-tcp-responses-sent-ipv4: 7379284 dns-tcp-responses-sent-ipv6: 279820