--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6321241032 dns-udp-queries-received-ipv6: 1818916720 dns-tcp-queries-received-ipv4: 340699944 dns-tcp-queries-received-ipv6: 80440901 dns-udp-responses-sent-ipv4: 5967209083 dns-udp-responses-sent-ipv6: 1795577609 dns-tcp-responses-sent-ipv4: 250482592 dns-tcp-responses-sent-ipv6: 75215033