--- version: rssac002v4 service: a.root-servers.net start-period: '2023-04-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7104807629 dns-udp-queries-received-ipv6: 2358806149 dns-tcp-queries-received-ipv4: 458793901 dns-tcp-queries-received-ipv6: 142943101 dns-udp-responses-sent-ipv4: 6471659675 dns-udp-responses-sent-ipv6: 1956973262 dns-tcp-responses-sent-ipv4: 386693915 dns-tcp-responses-sent-ipv6: 107746217