--- version: rssac002v3 service: a.root-servers.net start-period: '2018-03-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3391145678 dns-udp-queries-received-ipv6: 343456110 dns-tcp-queries-received-ipv4: 149824148 dns-tcp-queries-received-ipv6: 14789221 dns-udp-responses-sent-ipv4: 3388334092 dns-udp-responses-sent-ipv6: 343469240 dns-tcp-responses-sent-ipv4: 149927224 dns-tcp-responses-sent-ipv6: 14825044