--- service: i.root-servers.net start-period: '2015-11-03T00:00:00Z' end-period: '2015-11-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4550688905 dns-udp-queries-received-ipv6: 317513169 dns-tcp-queries-received-ipv4: 28212812 dns-tcp-queries-received-ipv6: 521340 dns-udp-responses-sent-ipv4: 4498225039 dns-udp-responses-sent-ipv6: 323087369 dns-tcp-responses-sent-ipv4: 28341375 dns-tcp-responses-sent-ipv6: 526260