--- service: i.root-servers.net start-period: '2014-02-22T00:00:00Z' end-period: '2014-02-23T00:00:38Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2257084750 dns-udp-queries-received-ipv6: 164241278 dns-tcp-queries-received-ipv4: 5202051 dns-tcp-queries-received-ipv6: 310759 dns-udp-responses-sent-ipv4: 2203615414 dns-udp-responses-sent-ipv6: 164323412 dns-tcp-responses-sent-ipv4: 5212991 dns-tcp-responses-sent-ipv6: 310188