--- version: rssac002v3 service: i.root-servers.net start-period: '2022-02-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6633991788 dns-udp-queries-received-ipv6: 1662476970 dns-tcp-queries-received-ipv4: 651102621 dns-tcp-queries-received-ipv6: 70222920 dns-udp-responses-sent-ipv4: 5719483206 dns-udp-responses-sent-ipv6: 1554456361 dns-tcp-responses-sent-ipv4: 639416397 dns-tcp-responses-sent-ipv6: 56518927