--- service: j.root-servers.net start-period: '2015-08-09T00:00:00Z' end-period: '2015-08-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4573619228 dns-udp-queries-received-ipv6: 281960541 dns-tcp-queries-received-ipv4: 52096526 dns-tcp-queries-received-ipv6: 22623171 dns-udp-responses-sent-ipv4: 3451737412 dns-udp-responses-sent-ipv6: 282064586 dns-tcp-responses-sent-ipv4: 51615218 dns-tcp-responses-sent-ipv6: 21174316