--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5310669491 dns-udp-queries-received-ipv6: 749434760 dns-tcp-queries-received-ipv4: 101298994 dns-tcp-queries-received-ipv6: 14539484 dns-udp-responses-sent-ipv4: 5368278409 dns-udp-responses-sent-ipv6: 745545333 dns-tcp-responses-sent-ipv4: 102213920 dns-tcp-responses-sent-ipv6: 14569242