--- service: j.root-servers.net start-period: '2015-08-31T00:00:00Z' end-period: '2015-08-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4758023310 dns-udp-queries-received-ipv6: 278569024 dns-tcp-queries-received-ipv4: 70678758 dns-tcp-queries-received-ipv6: 22333989 dns-udp-responses-sent-ipv4: 3686545401 dns-udp-responses-sent-ipv6: 279354632 dns-tcp-responses-sent-ipv4: 68139626 dns-tcp-responses-sent-ipv6: 20552969