--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5488277313 dns-udp-queries-received-ipv6: 1040040960 dns-tcp-queries-received-ipv4: 562530313 dns-tcp-queries-received-ipv6: 122493399 dns-udp-responses-sent-ipv4: 4145792242 dns-udp-responses-sent-ipv6: 915337543 dns-tcp-responses-sent-ipv4: 459511480 dns-tcp-responses-sent-ipv6: 119219344