--- version: rssac002v3 service: a.root-servers.net start-period: '2021-10-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5291390145 dns-udp-queries-received-ipv6: 1417908263 dns-tcp-queries-received-ipv4: 301300342 dns-tcp-queries-received-ipv6: 72919733 dns-udp-responses-sent-ipv4: 5137681088 dns-udp-responses-sent-ipv6: 1415129060 dns-tcp-responses-sent-ipv4: 297405091 dns-tcp-responses-sent-ipv6: 73323869