--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6640080501 dns-udp-queries-received-ipv6: 1613954721 dns-tcp-queries-received-ipv4: 617242636 dns-tcp-queries-received-ipv6: 73959066 dns-udp-responses-sent-ipv4: 5805654793 dns-udp-responses-sent-ipv6: 1518382635 dns-tcp-responses-sent-ipv4: 619941267 dns-tcp-responses-sent-ipv6: 58041091