--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6643565190 dns-udp-queries-received-ipv6: 1767272649 dns-tcp-queries-received-ipv4: 681901154 dns-tcp-queries-received-ipv6: 93117571 dns-udp-responses-sent-ipv4: 5702948246 dns-udp-responses-sent-ipv6: 1647838891 dns-tcp-responses-sent-ipv4: 667082090 dns-tcp-responses-sent-ipv6: 77171678