--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6176479842 dns-udp-queries-received-ipv6: 1396574239 dns-tcp-queries-received-ipv4: 336906442 dns-tcp-queries-received-ipv6: 42840913 dns-udp-responses-sent-ipv4: 6023246964 dns-udp-responses-sent-ipv6: 1388096179 dns-tcp-responses-sent-ipv4: 323879407 dns-tcp-responses-sent-ipv6: 40716873