--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5805204057 dns-udp-queries-received-ipv6: 1499747243 dns-tcp-queries-received-ipv4: 368827464 dns-tcp-queries-received-ipv6: 51668094 dns-udp-responses-sent-ipv4: 5428847392 dns-udp-responses-sent-ipv6: 1479129291 dns-tcp-responses-sent-ipv4: 249354873 dns-tcp-responses-sent-ipv6: 51402307