--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5849128522 dns-udp-queries-received-ipv6: 1197409535 dns-tcp-queries-received-ipv4: 550112338 dns-tcp-queries-received-ipv6: 135754778 dns-udp-responses-sent-ipv4: 5048921208 dns-udp-responses-sent-ipv6: 1085870678 dns-tcp-responses-sent-ipv4: 512815703 dns-tcp-responses-sent-ipv6: 132012459