--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6669545601 dns-udp-queries-received-ipv6: 1565971344 dns-tcp-queries-received-ipv4: 372397417 dns-tcp-queries-received-ipv6: 87321871 dns-udp-responses-sent-ipv4: 6500359422 dns-udp-responses-sent-ipv6: 1554498346 dns-tcp-responses-sent-ipv4: 362969885 dns-tcp-responses-sent-ipv6: 83191825