--- service: i.root-servers.net start-period: '2013-06-05T00:00:00Z' end-period: '2013-06-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2184014699 dns-udp-queries-received-ipv6: 108240456 dns-tcp-queries-received-ipv4: 3629722 dns-tcp-queries-received-ipv6: 158154 dns-udp-responses-sent-ipv4: 2192381660 dns-udp-responses-sent-ipv6: 115357640 dns-tcp-responses-sent-ipv4: 3695353 dns-tcp-responses-sent-ipv6: 160433