--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8427520187 dns-udp-queries-received-ipv6: 1389002297 dns-tcp-queries-received-ipv4: 334574108 dns-tcp-queries-received-ipv6: 122808983 dns-udp-responses-sent-ipv4: 8160507348 dns-udp-responses-sent-ipv6: 1378139100 dns-tcp-responses-sent-ipv4: 327507965 dns-tcp-responses-sent-ipv6: 122868640