--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4281784866 dns-udp-queries-received-ipv6: 632795494 dns-tcp-queries-received-ipv4: 108655236 dns-tcp-queries-received-ipv6: 25582062 dns-udp-responses-sent-ipv4: 4168567183 dns-udp-responses-sent-ipv6: 632478796 dns-tcp-responses-sent-ipv4: 105862607 dns-tcp-responses-sent-ipv6: 25627241