--- version: rssac002v3 service: a.root-servers.net start-period: '2021-10-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5224820427 dns-udp-queries-received-ipv6: 1279212842 dns-tcp-queries-received-ipv4: 286560378 dns-tcp-queries-received-ipv6: 72800579 dns-udp-responses-sent-ipv4: 5237776013 dns-udp-responses-sent-ipv6: 1298576203 dns-tcp-responses-sent-ipv4: 280941654 dns-tcp-responses-sent-ipv6: 73160403