--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6316638093 dns-udp-queries-received-ipv6: 1765904564 dns-tcp-queries-received-ipv4: 299116240 dns-tcp-queries-received-ipv6: 85490293 dns-udp-responses-sent-ipv4: 6019689447 dns-udp-responses-sent-ipv6: 1746436660 dns-tcp-responses-sent-ipv4: 222453374 dns-tcp-responses-sent-ipv6: 79828141