--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6765674803 dns-udp-queries-received-ipv6: 1179473142 dns-tcp-queries-received-ipv4: 303420914 dns-tcp-queries-received-ipv6: 83328146 dns-udp-responses-sent-ipv4: 6503096539 dns-udp-responses-sent-ipv6: 1120903118 dns-tcp-responses-sent-ipv4: 286205168 dns-tcp-responses-sent-ipv6: 82759890