--- service: i.root-servers.net start-period: '2013-10-05T00:00:00Z' end-period: '2013-10-06T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2008342758 dns-udp-queries-received-ipv6: 116485902 dns-tcp-queries-received-ipv4: 5090682 dns-tcp-queries-received-ipv6: 120344 dns-udp-responses-sent-ipv4: 2071160198 dns-udp-responses-sent-ipv6: 124124861 dns-tcp-responses-sent-ipv4: 5147774 dns-tcp-responses-sent-ipv6: 137667