--- service: j.root-servers.net start-period: '2014-06-25T00:00:00Z' end-period: '2014-06-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4466274158 dns-udp-queries-received-ipv6: 222673787 dns-tcp-queries-received-ipv4: 36213035 dns-tcp-queries-received-ipv6: 3161275 dns-udp-responses-sent-ipv4: 4473632856 dns-udp-responses-sent-ipv6: 222535346 dns-tcp-responses-sent-ipv4: 36917203 dns-tcp-responses-sent-ipv6: 2603500