--- version: rssac002v4 service: a.root-servers.net start-period: '2024-04-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7346345627 dns-udp-queries-received-ipv6: 2101852628 dns-tcp-queries-received-ipv4: 302233226 dns-tcp-queries-received-ipv6: 55997343 dns-udp-responses-sent-ipv4: 7190445744 dns-udp-responses-sent-ipv6: 2082714032 dns-tcp-responses-sent-ipv4: 285866277 dns-tcp-responses-sent-ipv6: 47605919