--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6996092855 dns-udp-queries-received-ipv6: 1998322788 dns-tcp-queries-received-ipv4: 327724859 dns-tcp-queries-received-ipv6: 147861455 dns-udp-responses-sent-ipv4: 6640694253 dns-udp-responses-sent-ipv6: 1939567090 dns-tcp-responses-sent-ipv4: 233442361 dns-tcp-responses-sent-ipv6: 127179360