--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6460634150 dns-udp-queries-received-ipv6: 1774961887 dns-tcp-queries-received-ipv4: 328214653 dns-tcp-queries-received-ipv6: 83251489 dns-udp-responses-sent-ipv4: 6065691584 dns-udp-responses-sent-ipv6: 1751058985 dns-tcp-responses-sent-ipv4: 243028488 dns-tcp-responses-sent-ipv6: 77752416