--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6861241849 dns-udp-queries-received-ipv6: 1618021717 dns-tcp-queries-received-ipv4: 334561297 dns-tcp-queries-received-ipv6: 55357634 dns-udp-responses-sent-ipv4: 6704229581 dns-udp-responses-sent-ipv6: 1599910139 dns-tcp-responses-sent-ipv4: 326791653 dns-tcp-responses-sent-ipv6: 49848080