--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7956638465 dns-udp-queries-received-ipv6: 1367958148 dns-tcp-queries-received-ipv4: 303917358 dns-tcp-queries-received-ipv6: 124838017 dns-udp-responses-sent-ipv4: 7728422494 dns-udp-responses-sent-ipv6: 1364834114 dns-tcp-responses-sent-ipv4: 297478858 dns-tcp-responses-sent-ipv6: 124991893