--- version: rssac002v3 service: a.root-servers.net start-period: '2018-03-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4301819186 dns-udp-queries-received-ipv6: 388492404 dns-tcp-queries-received-ipv4: 154381233 dns-tcp-queries-received-ipv6: 15517819 dns-udp-responses-sent-ipv4: 4295821207 dns-udp-responses-sent-ipv6: 388423349 dns-tcp-responses-sent-ipv4: 154384715 dns-tcp-responses-sent-ipv6: 15621555