--- version: rssac002v5 service: a.root-servers.net start-period: '2025-05-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7916447468 dns-udp-queries-received-ipv6: 1942543629 dns-tcp-queries-received-ipv4: 385449945 dns-tcp-queries-received-ipv6: 51513575 dns-udp-responses-sent-ipv4: 7755585873 dns-udp-responses-sent-ipv6: 1904735676 dns-tcp-responses-sent-ipv4: 352583517 dns-tcp-responses-sent-ipv6: 37420377