--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6955747388 dns-udp-queries-received-ipv6: 2119311793 dns-tcp-queries-received-ipv4: 422136310 dns-tcp-queries-received-ipv6: 121129653 dns-udp-responses-sent-ipv4: 6431948332 dns-udp-responses-sent-ipv6: 1816438278 dns-tcp-responses-sent-ipv4: 358729761 dns-tcp-responses-sent-ipv6: 94587151