--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6694385588 dns-udp-queries-received-ipv6: 1414862124 dns-tcp-queries-received-ipv4: 228242423 dns-tcp-queries-received-ipv6: 41191036 dns-udp-responses-sent-ipv4: 6515596922 dns-udp-responses-sent-ipv6: 1414175457 dns-tcp-responses-sent-ipv4: 221109718 dns-tcp-responses-sent-ipv6: 42642809