--- version: rssac002v4 service: a.root-servers.net start-period: '2024-01-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7609056611 dns-udp-queries-received-ipv6: 1559632500 dns-tcp-queries-received-ipv4: 353257715 dns-tcp-queries-received-ipv6: 69180637 dns-udp-responses-sent-ipv4: 7440474551 dns-udp-responses-sent-ipv6: 1524540880 dns-tcp-responses-sent-ipv4: 331751999 dns-tcp-responses-sent-ipv6: 54753185