--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4048071576 dns-udp-queries-received-ipv6: 712783358 dns-tcp-queries-received-ipv4: 170658042 dns-tcp-queries-received-ipv6: 33563037 dns-udp-responses-sent-ipv4: 3954916561 dns-udp-responses-sent-ipv6: 712212268 dns-tcp-responses-sent-ipv4: 169496933 dns-tcp-responses-sent-ipv6: 33763035