--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8513444826 dns-udp-queries-received-ipv6: 1707540733 dns-tcp-queries-received-ipv4: 264678451 dns-tcp-queries-received-ipv6: 90520356 dns-udp-responses-sent-ipv4: 8288341111 dns-udp-responses-sent-ipv6: 1704150217 dns-tcp-responses-sent-ipv4: 248949025 dns-tcp-responses-sent-ipv6: 90552052