--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5049968463 dns-udp-queries-received-ipv6: 1021529980 dns-tcp-queries-received-ipv4: 494183076 dns-tcp-queries-received-ipv6: 120573975 dns-udp-responses-sent-ipv4: 4370805566 dns-udp-responses-sent-ipv6: 882138403 dns-tcp-responses-sent-ipv4: 453316824 dns-tcp-responses-sent-ipv6: 106479778