--- version: rssac002v3 service: i.root-servers.net start-period: '2022-03-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6482496692 dns-udp-queries-received-ipv6: 1843900546 dns-tcp-queries-received-ipv4: 695288215 dns-tcp-queries-received-ipv6: 79912928 dns-udp-responses-sent-ipv4: 5604750123 dns-udp-responses-sent-ipv6: 1713123378 dns-tcp-responses-sent-ipv4: 688949529 dns-tcp-responses-sent-ipv6: 71118809