--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5889144567 dns-udp-queries-received-ipv6: 1416921449 dns-tcp-queries-received-ipv4: 392069989 dns-tcp-queries-received-ipv6: 49631686 dns-udp-responses-sent-ipv4: 5473757731 dns-udp-responses-sent-ipv6: 1398169287 dns-tcp-responses-sent-ipv4: 261300805 dns-tcp-responses-sent-ipv6: 49347314