--- service: i.root-servers.net start-period: '2014-09-14T00:00:00Z' end-period: '2014-09-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2598436399 dns-udp-queries-received-ipv6: 201840120 dns-tcp-queries-received-ipv4: 6027455 dns-tcp-queries-received-ipv6: 241119 dns-udp-responses-sent-ipv4: 2550484344 dns-udp-responses-sent-ipv6: 201813730 dns-tcp-responses-sent-ipv4: 5681654 dns-tcp-responses-sent-ipv6: 243942