--- service: j.root-servers.net start-period: '2015-04-26T00:00:00Z' end-period: '2015-04-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2859178993 dns-udp-queries-received-ipv6: 195093837 dns-tcp-queries-received-ipv4: 23292704 dns-tcp-queries-received-ipv6: 4951068 dns-udp-responses-sent-ipv4: 2853222377 dns-udp-responses-sent-ipv6: 194730367 dns-tcp-responses-sent-ipv4: 22911046 dns-tcp-responses-sent-ipv6: 5454885