--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7808110761 dns-udp-queries-received-ipv6: 1446712010 dns-tcp-queries-received-ipv4: 247064249 dns-tcp-queries-received-ipv6: 78602231 dns-udp-responses-sent-ipv4: 7557804953 dns-udp-responses-sent-ipv6: 1444853871 dns-tcp-responses-sent-ipv4: 228882421 dns-tcp-responses-sent-ipv6: 79008684