--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4487377019 dns-udp-queries-received-ipv6: 357312974 dns-tcp-queries-received-ipv4: 153572121 dns-tcp-queries-received-ipv6: 13825058 dns-udp-responses-sent-ipv4: 4363773383 dns-udp-responses-sent-ipv6: 354089856 dns-tcp-responses-sent-ipv4: 128826740 dns-tcp-responses-sent-ipv6: 13696349