--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7530915800 dns-udp-queries-received-ipv6: 1440365641 dns-tcp-queries-received-ipv4: 268401486 dns-tcp-queries-received-ipv6: 110269965 dns-udp-responses-sent-ipv4: 7341231586 dns-udp-responses-sent-ipv6: 1438984915 dns-tcp-responses-sent-ipv4: 256144940 dns-tcp-responses-sent-ipv6: 110610419