--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4753435245 dns-udp-queries-received-ipv6: 401358483 dns-tcp-queries-received-ipv4: 164593157 dns-tcp-queries-received-ipv6: 13976445 dns-udp-responses-sent-ipv4: 4649321417 dns-udp-responses-sent-ipv6: 399752048 dns-tcp-responses-sent-ipv4: 136434491 dns-tcp-responses-sent-ipv6: 13999257