--- version: rssac002v3 service: i.root-servers.net start-period: '2021-02-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5247085424 dns-udp-queries-received-ipv6: 1294950984 dns-tcp-queries-received-ipv4: 493047682 dns-tcp-queries-received-ipv6: 187964978 dns-udp-responses-sent-ipv4: 4309777937 dns-udp-responses-sent-ipv6: 1175514512 dns-tcp-responses-sent-ipv4: 361837338 dns-tcp-responses-sent-ipv6: 171256506