--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7199117588 dns-udp-queries-received-ipv6: 2093733308 dns-tcp-queries-received-ipv4: 418834415 dns-tcp-queries-received-ipv6: 120917135 dns-udp-responses-sent-ipv4: 6700415969 dns-udp-responses-sent-ipv6: 1808633134 dns-tcp-responses-sent-ipv4: 360763763 dns-tcp-responses-sent-ipv6: 97027247