--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5277480301 dns-udp-queries-received-ipv6: 526770551 dns-tcp-queries-received-ipv4: 268953722 dns-tcp-queries-received-ipv6: 18418568 dns-udp-responses-sent-ipv4: 5080656954 dns-udp-responses-sent-ipv6: 519972560 dns-tcp-responses-sent-ipv4: 215020087 dns-tcp-responses-sent-ipv6: 18423510