--- version: rssac002v4 service: j.root-servers.net start-period: '2022-12-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6298757618 dns-udp-queries-received-ipv6: 1739518971 dns-tcp-queries-received-ipv4: 269791312 dns-tcp-queries-received-ipv6: 79284344 dns-udp-responses-sent-ipv4: 6044052009 dns-udp-responses-sent-ipv6: 1731421056 dns-tcp-responses-sent-ipv4: 197122187 dns-tcp-responses-sent-ipv6: 76969843