--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6025876851 dns-udp-queries-received-ipv6: 1328709123 dns-tcp-queries-received-ipv4: 427190226 dns-tcp-queries-received-ipv6: 97767243 dns-udp-responses-sent-ipv4: 5684332253 dns-udp-responses-sent-ipv6: 1325302990 dns-tcp-responses-sent-ipv4: 326968325 dns-tcp-responses-sent-ipv6: 97627191