--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8644415183 dns-udp-queries-received-ipv6: 1326517792 dns-tcp-queries-received-ipv4: 302073940 dns-tcp-queries-received-ipv6: 134411016 dns-udp-responses-sent-ipv4: 8397717983 dns-udp-responses-sent-ipv6: 1318165306 dns-tcp-responses-sent-ipv4: 297248780 dns-tcp-responses-sent-ipv6: 134633183