--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6930045302 dns-udp-queries-received-ipv6: 2147497569 dns-tcp-queries-received-ipv4: 395328547 dns-tcp-queries-received-ipv6: 120896248 dns-udp-responses-sent-ipv4: 6384828543 dns-udp-responses-sent-ipv6: 1829399411 dns-tcp-responses-sent-ipv4: 326766830 dns-tcp-responses-sent-ipv6: 92836045