--- service: i.root-servers.net start-period: '2014-03-14T00:00:00Z' end-period: '2014-03-15T00:00:43Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2618080985 dns-udp-queries-received-ipv6: 175529234 dns-tcp-queries-received-ipv4: 5617865 dns-tcp-queries-received-ipv6: 323097 dns-udp-responses-sent-ipv4: 2562367020 dns-udp-responses-sent-ipv6: 175649492 dns-tcp-responses-sent-ipv4: 5622742 dns-tcp-responses-sent-ipv6: 326046