--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7233805355 dns-udp-queries-received-ipv6: 1472329767 dns-tcp-queries-received-ipv4: 643300243 dns-tcp-queries-received-ipv6: 111528339 dns-udp-responses-sent-ipv4: 6657370507 dns-udp-responses-sent-ipv6: 1458142442 dns-tcp-responses-sent-ipv4: 446025821 dns-tcp-responses-sent-ipv6: 106717204