--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6864460330 dns-udp-queries-received-ipv6: 1382190672 dns-tcp-queries-received-ipv4: 603174115 dns-tcp-queries-received-ipv6: 119082767 dns-udp-responses-sent-ipv4: 6303170096 dns-udp-responses-sent-ipv6: 1355451009 dns-tcp-responses-sent-ipv4: 418778570 dns-tcp-responses-sent-ipv6: 110870139