--- service: j.root-servers.net start-period: '2017-01-30T00:00:00Z' end-period: '2017-01-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6293132735 dns-udp-queries-received-ipv6: 634273801 dns-tcp-queries-received-ipv4: 166075799 dns-tcp-queries-received-ipv6: 11652400 dns-udp-responses-sent-ipv4: 6181414251 dns-udp-responses-sent-ipv6: 637734946 dns-tcp-responses-sent-ipv4: 151563935 dns-tcp-responses-sent-ipv6: 11787279