--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5817677375 dns-udp-queries-received-ipv6: 793592833 dns-tcp-queries-received-ipv4: 103467026 dns-tcp-queries-received-ipv6: 15101340 dns-udp-responses-sent-ipv4: 5872786509 dns-udp-responses-sent-ipv6: 789456159 dns-tcp-responses-sent-ipv4: 104752046 dns-tcp-responses-sent-ipv6: 15142707