--- service: i.root-servers.net start-period: '2013-10-06T00:00:00Z' end-period: '2013-10-07T00:00:06Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1983884795 dns-udp-queries-received-ipv6: 119343322 dns-tcp-queries-received-ipv4: 4935205 dns-tcp-queries-received-ipv6: 133103 dns-udp-responses-sent-ipv4: 2043791965 dns-udp-responses-sent-ipv6: 126939979 dns-tcp-responses-sent-ipv4: 4985788 dns-tcp-responses-sent-ipv6: 150216