--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5586648423 dns-udp-queries-received-ipv6: 649153454 dns-tcp-queries-received-ipv4: 113214419 dns-tcp-queries-received-ipv6: 13720701 dns-udp-responses-sent-ipv4: 5647531811 dns-udp-responses-sent-ipv6: 643807814 dns-tcp-responses-sent-ipv4: 114118467 dns-tcp-responses-sent-ipv6: 13881556