--- service: j.root-servers.net start-period: '2015-02-25T00:00:00Z' end-period: '2015-02-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2924500654 dns-udp-queries-received-ipv6: 317253361 dns-tcp-queries-received-ipv4: 29151931 dns-tcp-queries-received-ipv6: 4388628 dns-udp-responses-sent-ipv4: 2923683606 dns-udp-responses-sent-ipv6: 316885475 dns-tcp-responses-sent-ipv4: 29084059 dns-tcp-responses-sent-ipv6: 3595823