--- service: j.root-servers.net start-period: '2017-02-26T00:00:00Z' end-period: '2017-02-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6039605169 dns-udp-queries-received-ipv6: 659808645 dns-tcp-queries-received-ipv4: 176824361 dns-tcp-queries-received-ipv6: 11859173 dns-udp-responses-sent-ipv4: 5928833013 dns-udp-responses-sent-ipv6: 662221507 dns-tcp-responses-sent-ipv4: 151889031 dns-tcp-responses-sent-ipv6: 12010395