--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4741142396 dns-udp-queries-received-ipv6: 456928249 dns-tcp-queries-received-ipv4: 161757693 dns-tcp-queries-received-ipv6: 13169548 dns-udp-responses-sent-ipv4: 4639397656 dns-udp-responses-sent-ipv6: 455805752 dns-tcp-responses-sent-ipv4: 135410546 dns-tcp-responses-sent-ipv6: 13192346