--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4667512250 dns-udp-queries-received-ipv6: 898228507 dns-tcp-queries-received-ipv4: 511018909 dns-tcp-queries-received-ipv6: 121935842 dns-udp-responses-sent-ipv4: 3715720515 dns-udp-responses-sent-ipv6: 803589552 dns-tcp-responses-sent-ipv4: 388660506 dns-tcp-responses-sent-ipv6: 111409412