--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6525272723 dns-udp-queries-received-ipv6: 1990903902 dns-tcp-queries-received-ipv4: 604257510 dns-tcp-queries-received-ipv6: 78569515 dns-udp-responses-sent-ipv4: 5728712639 dns-udp-responses-sent-ipv6: 1892178586 dns-tcp-responses-sent-ipv4: 608049751 dns-tcp-responses-sent-ipv6: 62553483