--- service: j.root-servers.net start-period: '2015-08-29T00:00:00Z' end-period: '2015-08-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4714224873 dns-udp-queries-received-ipv6: 265526282 dns-tcp-queries-received-ipv4: 67764239 dns-tcp-queries-received-ipv6: 22973022 dns-udp-responses-sent-ipv4: 3554794611 dns-udp-responses-sent-ipv6: 266326541 dns-tcp-responses-sent-ipv4: 65310176 dns-tcp-responses-sent-ipv6: 21457483