--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5644478621 dns-udp-queries-received-ipv6: 1444205648 dns-tcp-queries-received-ipv4: 305845987 dns-tcp-queries-received-ipv6: 44016493 dns-udp-responses-sent-ipv4: 5521837125 dns-udp-responses-sent-ipv6: 1434526593 dns-tcp-responses-sent-ipv4: 304198256 dns-tcp-responses-sent-ipv6: 41239881