--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7996557143 dns-udp-queries-received-ipv6: 1544311809 dns-tcp-queries-received-ipv4: 221168368 dns-tcp-queries-received-ipv6: 80385264 dns-udp-responses-sent-ipv4: 7782621151 dns-udp-responses-sent-ipv6: 1542045580 dns-tcp-responses-sent-ipv4: 207440299 dns-tcp-responses-sent-ipv6: 80737818