--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5218716394 dns-udp-queries-received-ipv6: 703314383 dns-tcp-queries-received-ipv4: 127953997 dns-tcp-queries-received-ipv6: 13777653 dns-udp-responses-sent-ipv4: 5275242444 dns-udp-responses-sent-ipv6: 697975054 dns-tcp-responses-sent-ipv4: 125984699 dns-tcp-responses-sent-ipv6: 13695694