--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5497371430 dns-udp-queries-received-ipv6: 672167650 dns-tcp-queries-received-ipv4: 99946023 dns-tcp-queries-received-ipv6: 14273568 dns-udp-responses-sent-ipv4: 5488781456 dns-udp-responses-sent-ipv6: 666995458 dns-tcp-responses-sent-ipv4: 100790318 dns-tcp-responses-sent-ipv6: 14346037