--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4306661935 dns-udp-queries-received-ipv6: 696456943 dns-tcp-queries-received-ipv4: 114864173 dns-tcp-queries-received-ipv6: 23953989 dns-udp-responses-sent-ipv4: 4203072992 dns-udp-responses-sent-ipv6: 698336025 dns-tcp-responses-sent-ipv4: 111200932 dns-tcp-responses-sent-ipv6: 24075693