--- version: rssac002v3 service: a.root-servers.net start-period: '2020-07-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8391233245 dns-udp-queries-received-ipv6: 1579567873 dns-tcp-queries-received-ipv4: 270463701 dns-tcp-queries-received-ipv6: 97695892 dns-udp-responses-sent-ipv4: 8146852228 dns-udp-responses-sent-ipv6: 1578270197 dns-tcp-responses-sent-ipv4: 251371957 dns-tcp-responses-sent-ipv6: 98196042