--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3170306582 dns-udp-queries-received-ipv6: 358409685 dns-tcp-queries-received-ipv4: 77714887 dns-tcp-queries-received-ipv6: 12977207 dns-udp-responses-sent-ipv4: 3168147103 dns-udp-responses-sent-ipv6: 358394875 dns-tcp-responses-sent-ipv4: 77868957 dns-tcp-responses-sent-ipv6: 13118366