--- version: rssac002v3 service: i.root-servers.net start-period: '2022-06-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6310481356 dns-udp-queries-received-ipv6: 2525673666 dns-tcp-queries-received-ipv4: 614721397 dns-tcp-queries-received-ipv6: 74759202 dns-udp-responses-sent-ipv4: 5207186342 dns-udp-responses-sent-ipv6: 1952315313 dns-tcp-responses-sent-ipv4: 603529104 dns-tcp-responses-sent-ipv6: 47629346