--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5628151122 dns-udp-queries-received-ipv6: 765621489 dns-tcp-queries-received-ipv4: 104487499 dns-tcp-queries-received-ipv6: 14774044 dns-udp-responses-sent-ipv4: 5678792396 dns-udp-responses-sent-ipv6: 762456533 dns-tcp-responses-sent-ipv4: 105507608 dns-tcp-responses-sent-ipv6: 14829494