--- service: j.root-servers.net start-period: '2015-04-24T00:00:00Z' end-period: '2015-04-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3189169385 dns-udp-queries-received-ipv6: 212617841 dns-tcp-queries-received-ipv4: 23792700 dns-tcp-queries-received-ipv6: 5840969 dns-udp-responses-sent-ipv4: 3182491165 dns-udp-responses-sent-ipv6: 212229386 dns-tcp-responses-sent-ipv4: 23339428 dns-tcp-responses-sent-ipv6: 4280456