--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4614774095 dns-udp-queries-received-ipv6: 1109519148 dns-tcp-queries-received-ipv4: 458930294 dns-tcp-queries-received-ipv6: 140696398 dns-udp-responses-sent-ipv4: 4138821303 dns-udp-responses-sent-ipv6: 973168183 dns-tcp-responses-sent-ipv4: 451704677 dns-tcp-responses-sent-ipv6: 125571801