--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8271420406 dns-udp-queries-received-ipv6: 1582069623 dns-tcp-queries-received-ipv4: 278646256 dns-tcp-queries-received-ipv6: 103809353 dns-udp-responses-sent-ipv4: 8079416315 dns-udp-responses-sent-ipv6: 1579523222 dns-tcp-responses-sent-ipv4: 266286059 dns-tcp-responses-sent-ipv6: 103900601