--- version: rssac002v4 service: a.root-servers.net start-period: '2021-11-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5268928371 dns-udp-queries-received-ipv6: 1262669825 dns-tcp-queries-received-ipv4: 294294790 dns-tcp-queries-received-ipv6: 76669099 dns-udp-responses-sent-ipv4: 5116357093 dns-udp-responses-sent-ipv6: 1260748481 dns-tcp-responses-sent-ipv4: 291531684 dns-tcp-responses-sent-ipv6: 76500759