--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6012381078 dns-udp-queries-received-ipv6: 1893136106 dns-tcp-queries-received-ipv4: 322655955 dns-tcp-queries-received-ipv6: 72028476 dns-udp-responses-sent-ipv4: 5896223512 dns-udp-responses-sent-ipv6: 1851617158 dns-tcp-responses-sent-ipv4: 293748601 dns-tcp-responses-sent-ipv6: 71604399