--- service: i.root-servers.net start-period: '2013-10-24T00:00:00Z' end-period: '2013-10-25T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2327051671 dns-udp-queries-received-ipv6: 126482392 dns-tcp-queries-received-ipv4: 4864475 dns-tcp-queries-received-ipv6: 200759 dns-udp-responses-sent-ipv4: 2405992925 dns-udp-responses-sent-ipv6: 134188065 dns-tcp-responses-sent-ipv4: 4902799 dns-tcp-responses-sent-ipv6: 207902