--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8254820441 dns-udp-queries-received-ipv6: 1567533720 dns-tcp-queries-received-ipv4: 260533227 dns-tcp-queries-received-ipv6: 84805921 dns-udp-responses-sent-ipv4: 8008161241 dns-udp-responses-sent-ipv6: 1565507206 dns-tcp-responses-sent-ipv4: 242350272 dns-tcp-responses-sent-ipv6: 85238846