--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6300128096 dns-udp-queries-received-ipv6: 1942385817 dns-tcp-queries-received-ipv4: 377453005 dns-tcp-queries-received-ipv6: 96090749 dns-udp-responses-sent-ipv4: 5962779938 dns-udp-responses-sent-ipv6: 1790643808 dns-tcp-responses-sent-ipv4: 322817046 dns-tcp-responses-sent-ipv6: 80120021