--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6878824134 dns-udp-queries-received-ipv6: 1378417150 dns-tcp-queries-received-ipv4: 614418716 dns-tcp-queries-received-ipv6: 104391070 dns-udp-responses-sent-ipv4: 6293604958 dns-udp-responses-sent-ipv6: 1362517288 dns-tcp-responses-sent-ipv4: 421600186 dns-tcp-responses-sent-ipv6: 98211819