--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7052941167 dns-udp-queries-received-ipv6: 2184279751 dns-tcp-queries-received-ipv4: 389659969 dns-tcp-queries-received-ipv6: 117589747 dns-udp-responses-sent-ipv4: 6503975250 dns-udp-responses-sent-ipv6: 1877288353 dns-tcp-responses-sent-ipv4: 324761759 dns-tcp-responses-sent-ipv6: 92450898