--- version: rssac002v4 service: a.root-servers.net start-period: '2023-11-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8104963872 dns-udp-queries-received-ipv6: 1546398658 dns-tcp-queries-received-ipv4: 475036983 dns-tcp-queries-received-ipv6: 63627591 dns-udp-responses-sent-ipv4: 7940355190 dns-udp-responses-sent-ipv6: 1525336226 dns-tcp-responses-sent-ipv4: 458610978 dns-tcp-responses-sent-ipv6: 54282308