--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5261064170 dns-udp-queries-received-ipv6: 568695787 dns-tcp-queries-received-ipv4: 253843049 dns-tcp-queries-received-ipv6: 20261350 dns-udp-responses-sent-ipv4: 5063385791 dns-udp-responses-sent-ipv6: 563357658 dns-tcp-responses-sent-ipv4: 196644503 dns-tcp-responses-sent-ipv6: 20320145