--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6713184162 dns-udp-queries-received-ipv6: 1596071273 dns-tcp-queries-received-ipv4: 356363161 dns-tcp-queries-received-ipv6: 95566787 dns-udp-responses-sent-ipv4: 6529982851 dns-udp-responses-sent-ipv6: 1582522388 dns-tcp-responses-sent-ipv4: 339345498 dns-tcp-responses-sent-ipv6: 91066157