--- version: rssac002v3 service: i.root-servers.net start-period: '2021-08-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4731337626 dns-udp-queries-received-ipv6: 1094974904 dns-tcp-queries-received-ipv4: 454683359 dns-tcp-queries-received-ipv6: 97467436 dns-udp-responses-sent-ipv4: 4217112478 dns-udp-responses-sent-ipv6: 1100478827 dns-tcp-responses-sent-ipv4: 406292913 dns-tcp-responses-sent-ipv6: 94505690