--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8219457982 dns-udp-queries-received-ipv6: 1452281392 dns-tcp-queries-received-ipv4: 276224782 dns-tcp-queries-received-ipv6: 110873212 dns-udp-responses-sent-ipv4: 8026585451 dns-udp-responses-sent-ipv6: 1447114665 dns-tcp-responses-sent-ipv4: 264908546 dns-tcp-responses-sent-ipv6: 110424312