--- version: rssac002v4 service: a.root-servers.net start-period: '2024-02-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8843437912 dns-udp-queries-received-ipv6: 1769775863 dns-tcp-queries-received-ipv4: 560954930 dns-tcp-queries-received-ipv6: 49637831 dns-udp-responses-sent-ipv4: 8650346290 dns-udp-responses-sent-ipv6: 1747718321 dns-tcp-responses-sent-ipv4: 543943462 dns-tcp-responses-sent-ipv6: 42142408