--- version: rssac002v3 service: i.root-servers.net start-period: '2023-04-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4439938816 dns-udp-queries-received-ipv6: 1122520276 dns-tcp-queries-received-ipv4: 449135495 dns-tcp-queries-received-ipv6: 62908069 dns-udp-responses-sent-ipv4: 3816823214 dns-udp-responses-sent-ipv6: 980676310 dns-tcp-responses-sent-ipv4: 450028382 dns-tcp-responses-sent-ipv6: 59391966