--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8146719594 dns-udp-queries-received-ipv6: 1656402974 dns-tcp-queries-received-ipv4: 285397050 dns-tcp-queries-received-ipv6: 113843846 dns-udp-responses-sent-ipv4: 7937814896 dns-udp-responses-sent-ipv6: 1654843595 dns-tcp-responses-sent-ipv4: 269939487 dns-tcp-responses-sent-ipv6: 114175580