--- version: rssac002v3 service: i.root-servers.net start-period: '2018-12-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5802702312 dns-udp-queries-received-ipv6: 1090127103 dns-tcp-queries-received-ipv4: 121127061 dns-tcp-queries-received-ipv6: 29485466 dns-udp-responses-sent-ipv4: 5750098273 dns-udp-responses-sent-ipv6: 1089312800 dns-tcp-responses-sent-ipv4: 118043869 dns-tcp-responses-sent-ipv6: 28843210