--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4216235741 dns-udp-queries-received-ipv6: 523209565 dns-tcp-queries-received-ipv4: 210557179 dns-tcp-queries-received-ipv6: 17946464 dns-udp-responses-sent-ipv4: 4112064348 dns-udp-responses-sent-ipv6: 515313549 dns-tcp-responses-sent-ipv4: 173827078 dns-tcp-responses-sent-ipv6: 17773850