--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4640079992 dns-udp-queries-received-ipv6: 412780445 dns-tcp-queries-received-ipv4: 160300829 dns-tcp-queries-received-ipv6: 14619049 dns-udp-responses-sent-ipv4: 4542261719 dns-udp-responses-sent-ipv6: 410992039 dns-tcp-responses-sent-ipv4: 135133649 dns-tcp-responses-sent-ipv6: 14604724