--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8361629299 dns-udp-queries-received-ipv6: 1495071454 dns-tcp-queries-received-ipv4: 344682287 dns-tcp-queries-received-ipv6: 112827178 dns-udp-responses-sent-ipv4: 8125426379 dns-udp-responses-sent-ipv6: 1482779173 dns-tcp-responses-sent-ipv4: 336032092 dns-tcp-responses-sent-ipv6: 110432399