--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7016815592 dns-udp-queries-received-ipv6: 2074794009 dns-tcp-queries-received-ipv4: 428394383 dns-tcp-queries-received-ipv6: 123858385 dns-udp-responses-sent-ipv4: 6473044438 dns-udp-responses-sent-ipv6: 1750647882 dns-tcp-responses-sent-ipv4: 362479173 dns-tcp-responses-sent-ipv6: 96363969