--- version: rssac002v3 service: a.root-servers.net start-period: '2018-06-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6570697643 dns-udp-queries-received-ipv6: 387884701 dns-tcp-queries-received-ipv4: 94230827 dns-tcp-queries-received-ipv6: 14004068 dns-udp-responses-sent-ipv4: 6492109067 dns-udp-responses-sent-ipv6: 387627717 dns-tcp-responses-sent-ipv4: 91960024 dns-tcp-responses-sent-ipv6: 14049543