--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5633172608 dns-udp-queries-received-ipv6: 1185810373 dns-tcp-queries-received-ipv4: 528014137 dns-tcp-queries-received-ipv6: 153692490 dns-udp-responses-sent-ipv4: 4867327568 dns-udp-responses-sent-ipv6: 1090790118 dns-tcp-responses-sent-ipv4: 491809665 dns-tcp-responses-sent-ipv6: 149049822