--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4197711994 dns-udp-queries-received-ipv6: 533067642 dns-tcp-queries-received-ipv4: 210372438 dns-tcp-queries-received-ipv6: 17971128 dns-udp-responses-sent-ipv4: 4090445644 dns-udp-responses-sent-ipv6: 524698070 dns-tcp-responses-sent-ipv4: 173226095 dns-tcp-responses-sent-ipv6: 17862459