--- service: i.root-servers.net start-period: '2014-09-30T00:00:00Z' end-period: '2014-10-01T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3543075374 dns-udp-queries-received-ipv6: 218953304 dns-tcp-queries-received-ipv4: 6936056 dns-tcp-queries-received-ipv6: 256235 dns-udp-responses-sent-ipv4: 3481949094 dns-udp-responses-sent-ipv6: 222702809 dns-tcp-responses-sent-ipv4: 7100308 dns-tcp-responses-sent-ipv6: 256817