--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7668983580 dns-udp-queries-received-ipv6: 1431943584 dns-tcp-queries-received-ipv4: 274820037 dns-tcp-queries-received-ipv6: 93683621 dns-udp-responses-sent-ipv4: 7468416994 dns-udp-responses-sent-ipv6: 1430462465 dns-tcp-responses-sent-ipv4: 258209331 dns-tcp-responses-sent-ipv6: 94157994