--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4615019121 dns-udp-queries-received-ipv6: 397982612 dns-tcp-queries-received-ipv4: 164162235 dns-tcp-queries-received-ipv6: 15361392 dns-udp-responses-sent-ipv4: 4514943302 dns-udp-responses-sent-ipv6: 395359372 dns-tcp-responses-sent-ipv4: 142890154 dns-tcp-responses-sent-ipv6: 15217553