--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6179971415 dns-udp-queries-received-ipv6: 1537583018 dns-tcp-queries-received-ipv4: 350967094 dns-tcp-queries-received-ipv6: 46827900 dns-udp-responses-sent-ipv4: 6034209205 dns-udp-responses-sent-ipv6: 1526320700 dns-tcp-responses-sent-ipv4: 335675670 dns-tcp-responses-sent-ipv6: 43280019