--- service: i.root-servers.net start-period: '2015-06-05T00:00:00Z' end-period: '2015-06-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3694591645 dns-udp-queries-received-ipv6: 241562825 dns-tcp-queries-received-ipv4: 12494252 dns-tcp-queries-received-ipv6: 299000 dns-udp-responses-sent-ipv4: 3634077331 dns-udp-responses-sent-ipv6: 246075012 dns-tcp-responses-sent-ipv4: 12492636 dns-tcp-responses-sent-ipv6: 302269