--- version: rssac002v4 service: a.root-servers.net start-period: '2023-12-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7938372187 dns-udp-queries-received-ipv6: 1591646538 dns-tcp-queries-received-ipv4: 467186340 dns-tcp-queries-received-ipv6: 66002532 dns-udp-responses-sent-ipv4: 7764827896 dns-udp-responses-sent-ipv6: 1561747818 dns-tcp-responses-sent-ipv4: 448181058 dns-tcp-responses-sent-ipv6: 52872562