--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5572947132 dns-udp-queries-received-ipv6: 1330650658 dns-tcp-queries-received-ipv4: 390379282 dns-tcp-queries-received-ipv6: 46957904 dns-udp-responses-sent-ipv4: 5155652881 dns-udp-responses-sent-ipv6: 1313305760 dns-tcp-responses-sent-ipv4: 254440075 dns-tcp-responses-sent-ipv6: 46666731