--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7920267570 dns-udp-queries-received-ipv6: 1593308554 dns-tcp-queries-received-ipv4: 265459811 dns-tcp-queries-received-ipv6: 97940434 dns-udp-responses-sent-ipv4: 7704747691 dns-udp-responses-sent-ipv6: 1591722352 dns-tcp-responses-sent-ipv4: 249188313 dns-tcp-responses-sent-ipv6: 98381415