--- service: j.root-servers.net start-period: '2016-02-29T00:00:00Z' end-period: '2016-02-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4885228518 dns-udp-queries-received-ipv6: 447260585 dns-tcp-queries-received-ipv4: 112444037 dns-tcp-queries-received-ipv6: 3299153 dns-udp-responses-sent-ipv4: 4479453145 dns-udp-responses-sent-ipv6: 449941427 dns-tcp-responses-sent-ipv4: 97844863 dns-tcp-responses-sent-ipv6: 316657