--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5743148241 dns-udp-queries-received-ipv6: 1388596772 dns-tcp-queries-received-ipv4: 372234836 dns-tcp-queries-received-ipv6: 35062406 dns-udp-responses-sent-ipv4: 5363002137 dns-udp-responses-sent-ipv6: 1366927089 dns-tcp-responses-sent-ipv4: 250832940 dns-tcp-responses-sent-ipv6: 34857667