--- version: rssac002v3 service: i.root-servers.net start-period: '2017-05-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4909322511 dns-udp-queries-received-ipv6: 625419895 dns-tcp-queries-received-ipv4: 73175822 dns-tcp-queries-received-ipv6: 8264067 dns-udp-responses-sent-ipv4: 4957668890 dns-udp-responses-sent-ipv6: 624989491 dns-tcp-responses-sent-ipv4: 73942371 dns-tcp-responses-sent-ipv6: 8462793