--- version: rssac002v3 service: j.root-servers.net start-period: '2021-06-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6296297893 dns-udp-queries-received-ipv6: 1345842803 dns-tcp-queries-received-ipv4: 583832895 dns-tcp-queries-received-ipv6: 109615181 dns-udp-responses-sent-ipv4: 5832477101 dns-udp-responses-sent-ipv6: 1341407702 dns-tcp-responses-sent-ipv4: 423083378 dns-tcp-responses-sent-ipv6: 109214662