--- version: rssac002v4 service: j.root-servers.net start-period: '2022-07-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6108922274 dns-udp-queries-received-ipv6: 1660457537 dns-tcp-queries-received-ipv4: 319779584 dns-tcp-queries-received-ipv6: 50904762 dns-udp-responses-sent-ipv4: 5786199353 dns-udp-responses-sent-ipv6: 1637993690 dns-tcp-responses-sent-ipv4: 223481529 dns-tcp-responses-sent-ipv6: 50757570