--- service: i.root-servers.net start-period: '2015-11-06T00:00:00Z' end-period: '2015-11-07T00:00:05Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4369861830 dns-udp-queries-received-ipv6: 323411409 dns-tcp-queries-received-ipv4: 31456796 dns-tcp-queries-received-ipv6: 501202 dns-udp-responses-sent-ipv4: 4311668601 dns-udp-responses-sent-ipv6: 329038175 dns-tcp-responses-sent-ipv4: 31591257 dns-tcp-responses-sent-ipv6: 504917