--- service: j.root-servers.net start-period: '2016-02-01T00:00:00Z' end-period: '2016-02-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5496626684 dns-udp-queries-received-ipv6: 588778951 dns-tcp-queries-received-ipv4: 119722790 dns-tcp-queries-received-ipv6: 2118305 dns-udp-responses-sent-ipv4: 5044111508 dns-udp-responses-sent-ipv6: 594766126 dns-tcp-responses-sent-ipv4: 102931905 dns-tcp-responses-sent-ipv6: 320934