--- version: rssac002v4 service: a.root-servers.net start-period: '2023-04-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7377760692 dns-udp-queries-received-ipv6: 2558222549 dns-tcp-queries-received-ipv4: 460810853 dns-tcp-queries-received-ipv6: 177044483 dns-udp-responses-sent-ipv4: 6743411732 dns-udp-responses-sent-ipv6: 2096457273 dns-tcp-responses-sent-ipv4: 403099818 dns-tcp-responses-sent-ipv6: 128774696