--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6159241713 dns-udp-queries-received-ipv6: 1997949249 dns-tcp-queries-received-ipv4: 349258163 dns-tcp-queries-received-ipv6: 102232510 dns-udp-responses-sent-ipv4: 5837331552 dns-udp-responses-sent-ipv6: 1829308657 dns-tcp-responses-sent-ipv4: 309615540 dns-tcp-responses-sent-ipv6: 87517598