--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6340927624 dns-udp-queries-received-ipv6: 1435525210 dns-tcp-queries-received-ipv4: 514451536 dns-tcp-queries-received-ipv6: 152614523 dns-udp-responses-sent-ipv4: 5832814724 dns-udp-responses-sent-ipv6: 1419690044 dns-tcp-responses-sent-ipv4: 355706166 dns-tcp-responses-sent-ipv6: 162829860