--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8794620196 dns-udp-queries-received-ipv6: 1286397883 dns-tcp-queries-received-ipv4: 808110407 dns-tcp-queries-received-ipv6: 126310412 dns-udp-responses-sent-ipv4: 7973509465 dns-udp-responses-sent-ipv6: 1239249613 dns-tcp-responses-sent-ipv4: 547624991 dns-tcp-responses-sent-ipv6: 105135555