--- version: rssac002v3 service: a.root-servers.net start-period: '2020-07-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8296621559 dns-udp-queries-received-ipv6: 1748845704 dns-tcp-queries-received-ipv4: 285629893 dns-tcp-queries-received-ipv6: 93394155 dns-udp-responses-sent-ipv4: 8060966369 dns-udp-responses-sent-ipv6: 1746627749 dns-tcp-responses-sent-ipv4: 263550167 dns-tcp-responses-sent-ipv6: 93924950