--- version: rssac002v4 service: a.root-servers.net start-period: '2024-01-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7253815636 dns-udp-queries-received-ipv6: 1366870561 dns-tcp-queries-received-ipv4: 388087978 dns-tcp-queries-received-ipv6: 67915294 dns-udp-responses-sent-ipv4: 7085073134 dns-udp-responses-sent-ipv6: 1340477391 dns-tcp-responses-sent-ipv4: 364148636 dns-tcp-responses-sent-ipv6: 55675007