--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5247816350 dns-udp-queries-received-ipv6: 1094659542 dns-tcp-queries-received-ipv4: 485087713 dns-tcp-queries-received-ipv6: 133484382 dns-udp-responses-sent-ipv4: 4570704648 dns-udp-responses-sent-ipv6: 1004893263 dns-tcp-responses-sent-ipv4: 449479037 dns-tcp-responses-sent-ipv6: 128173695