--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5867389942 dns-udp-queries-received-ipv6: 1346015200 dns-tcp-queries-received-ipv4: 375885521 dns-tcp-queries-received-ipv6: 79582763 dns-udp-responses-sent-ipv4: 5486335740 dns-udp-responses-sent-ipv6: 1307800792 dns-tcp-responses-sent-ipv4: 261035209 dns-tcp-responses-sent-ipv6: 76172712