--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7901832497 dns-udp-queries-received-ipv6: 1198035849 dns-tcp-queries-received-ipv4: 288594950 dns-tcp-queries-received-ipv6: 125027471 dns-udp-responses-sent-ipv4: 7672820051 dns-udp-responses-sent-ipv6: 1190731548 dns-tcp-responses-sent-ipv4: 283876778 dns-tcp-responses-sent-ipv6: 125133995