--- service: j.root-servers.net start-period: '2015-03-06T00:00:00Z' end-period: '2015-03-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3232990863 dns-udp-queries-received-ipv6: 336073186 dns-tcp-queries-received-ipv4: 26582741 dns-tcp-queries-received-ipv6: 4889432 dns-udp-responses-sent-ipv4: 3252689997 dns-udp-responses-sent-ipv6: 336053669 dns-tcp-responses-sent-ipv4: 26453411 dns-tcp-responses-sent-ipv6: 4011000