--- version: rssac002v3 service: i.root-servers.net start-period: '2021-02-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4875105645 dns-udp-queries-received-ipv6: 1184162455 dns-tcp-queries-received-ipv4: 423694057 dns-tcp-queries-received-ipv6: 157220558 dns-udp-responses-sent-ipv4: 4104238771 dns-udp-responses-sent-ipv6: 1077446704 dns-tcp-responses-sent-ipv4: 334949012 dns-tcp-responses-sent-ipv6: 163780630