--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6770860951 dns-udp-queries-received-ipv6: 1822147365 dns-tcp-queries-received-ipv4: 350808389 dns-tcp-queries-received-ipv6: 85566593 dns-udp-responses-sent-ipv4: 6360098422 dns-udp-responses-sent-ipv6: 1795611949 dns-tcp-responses-sent-ipv4: 256597738 dns-tcp-responses-sent-ipv6: 79306691