--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6383098126 dns-udp-queries-received-ipv6: 1162745971 dns-tcp-queries-received-ipv4: 221833797 dns-tcp-queries-received-ipv6: 71089155 dns-udp-responses-sent-ipv4: 6205404258 dns-udp-responses-sent-ipv6: 1153978295 dns-tcp-responses-sent-ipv4: 218530372 dns-tcp-responses-sent-ipv6: 71282654