--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6294272927 dns-udp-queries-received-ipv6: 1446605048 dns-tcp-queries-received-ipv4: 188354349 dns-tcp-queries-received-ipv6: 53819859 dns-udp-responses-sent-ipv4: 6130999607 dns-udp-responses-sent-ipv6: 1446052637 dns-tcp-responses-sent-ipv4: 184799128 dns-tcp-responses-sent-ipv6: 54014327