--- version: rssac002v4 service: a.root-servers.net start-period: '2023-12-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7300818110 dns-udp-queries-received-ipv6: 1508237305 dns-tcp-queries-received-ipv4: 419386780 dns-tcp-queries-received-ipv6: 64071968 dns-udp-responses-sent-ipv4: 7127631146 dns-udp-responses-sent-ipv6: 1484263868 dns-tcp-responses-sent-ipv4: 394591636 dns-tcp-responses-sent-ipv6: 52891718