--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5958618021 dns-udp-queries-received-ipv6: 1366931770 dns-tcp-queries-received-ipv4: 391852116 dns-tcp-queries-received-ipv6: 45277873 dns-udp-responses-sent-ipv4: 5570264287 dns-udp-responses-sent-ipv6: 1345801105 dns-tcp-responses-sent-ipv4: 259334128 dns-tcp-responses-sent-ipv6: 45147396