--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4523541346 dns-udp-queries-received-ipv6: 398353270 dns-tcp-queries-received-ipv4: 242219873 dns-tcp-queries-received-ipv6: 17557728 dns-udp-responses-sent-ipv4: 4366200610 dns-udp-responses-sent-ipv6: 395364484 dns-tcp-responses-sent-ipv4: 186691149 dns-tcp-responses-sent-ipv6: 17500882