--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6350768561 dns-udp-queries-received-ipv6: 1749666287 dns-tcp-queries-received-ipv4: 318690319 dns-tcp-queries-received-ipv6: 70967591 dns-udp-responses-sent-ipv4: 6271229546 dns-udp-responses-sent-ipv6: 1712159775 dns-tcp-responses-sent-ipv4: 289291588 dns-tcp-responses-sent-ipv6: 70481403