--- service: i.root-servers.net start-period: '2014-10-07T00:00:00Z' end-period: '2014-10-08T00:00:04Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2985227600 dns-udp-queries-received-ipv6: 216258189 dns-tcp-queries-received-ipv4: 6715856 dns-tcp-queries-received-ipv6: 258944 dns-udp-responses-sent-ipv4: 2928907733 dns-udp-responses-sent-ipv6: 219781450 dns-tcp-responses-sent-ipv4: 6766830 dns-tcp-responses-sent-ipv6: 257811