--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8554589074 dns-udp-queries-received-ipv6: 1732170898 dns-tcp-queries-received-ipv4: 265541748 dns-tcp-queries-received-ipv6: 90249351 dns-udp-responses-sent-ipv4: 8317604189 dns-udp-responses-sent-ipv6: 1730278003 dns-tcp-responses-sent-ipv4: 248229574 dns-tcp-responses-sent-ipv6: 90750124