--- version: rssac002v3 service: i.root-servers.net start-period: '2021-03-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4825273187 dns-udp-queries-received-ipv6: 1019656924 dns-tcp-queries-received-ipv4: 432213266 dns-tcp-queries-received-ipv6: 133887917 dns-udp-responses-sent-ipv4: 4033529068 dns-udp-responses-sent-ipv6: 938048946 dns-tcp-responses-sent-ipv4: 335504410 dns-tcp-responses-sent-ipv6: 125248126