--- version: rssac002v4 service: j.root-servers.net start-period: '2022-06-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5690366679 dns-udp-queries-received-ipv6: 1572067543 dns-tcp-queries-received-ipv4: 340228495 dns-tcp-queries-received-ipv6: 61106906 dns-udp-responses-sent-ipv4: 5339613945 dns-udp-responses-sent-ipv6: 1569296736 dns-tcp-responses-sent-ipv4: 234228410 dns-tcp-responses-sent-ipv6: 60853143