--- service: j.root-servers.net start-period: '2015-08-02T00:00:00Z' end-period: '2015-08-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4121870263 dns-udp-queries-received-ipv6: 281578020 dns-tcp-queries-received-ipv4: 34302379 dns-tcp-queries-received-ipv6: 19800371 dns-udp-responses-sent-ipv4: 3033801084 dns-udp-responses-sent-ipv6: 282530714 dns-tcp-responses-sent-ipv4: 33898384 dns-tcp-responses-sent-ipv6: 18395803