--- version: rssac002v4 service: j.root-servers.net start-period: '2022-05-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6039503397 dns-udp-queries-received-ipv6: 1521564258 dns-tcp-queries-received-ipv4: 421216633 dns-tcp-queries-received-ipv6: 49101434 dns-udp-responses-sent-ipv4: 5594334826 dns-udp-responses-sent-ipv6: 1512267780 dns-tcp-responses-sent-ipv4: 290534827 dns-tcp-responses-sent-ipv6: 48981380