--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7569816267 dns-udp-queries-received-ipv6: 1303327828 dns-tcp-queries-received-ipv4: 299589910 dns-tcp-queries-received-ipv6: 102201512 dns-udp-responses-sent-ipv4: 7373645595 dns-udp-responses-sent-ipv6: 1299869255 dns-tcp-responses-sent-ipv4: 291260182 dns-tcp-responses-sent-ipv6: 102766594