--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6717617427 dns-udp-queries-received-ipv6: 2092278152 dns-tcp-queries-received-ipv4: 399387243 dns-tcp-queries-received-ipv6: 149310294 dns-udp-responses-sent-ipv4: 6175429925 dns-udp-responses-sent-ipv6: 1773424842 dns-tcp-responses-sent-ipv4: 331007233 dns-tcp-responses-sent-ipv6: 121245054