--- service: j.root-servers.net start-period: '2015-10-11T00:00:00Z' end-period: '2015-10-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3852859369 dns-udp-queries-received-ipv6: 379701567 dns-tcp-queries-received-ipv4: 60261346 dns-tcp-queries-received-ipv6: 14131255 dns-udp-responses-sent-ipv4: 3783723039 dns-udp-responses-sent-ipv6: 378969187 dns-tcp-responses-sent-ipv4: 58219440 dns-tcp-responses-sent-ipv6: 13691065