--- version: rssac002v3 service: i.root-servers.net start-period: '2021-06-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5329555621 dns-udp-queries-received-ipv6: 1004737381 dns-tcp-queries-received-ipv4: 505941165 dns-tcp-queries-received-ipv6: 114093730 dns-udp-responses-sent-ipv4: 4623689178 dns-udp-responses-sent-ipv6: 991623069 dns-tcp-responses-sent-ipv4: 431223645 dns-tcp-responses-sent-ipv6: 105948492