--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7223533875 dns-udp-queries-received-ipv6: 1441662494 dns-tcp-queries-received-ipv4: 218770817 dns-tcp-queries-received-ipv6: 84782085 dns-udp-responses-sent-ipv4: 7020112476 dns-udp-responses-sent-ipv6: 1439439567 dns-tcp-responses-sent-ipv4: 205354926 dns-tcp-responses-sent-ipv6: 85093231