--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6324290154 dns-udp-queries-received-ipv6: 1363180381 dns-tcp-queries-received-ipv4: 403735806 dns-tcp-queries-received-ipv6: 62878268 dns-udp-responses-sent-ipv4: 5912255994 dns-udp-responses-sent-ipv6: 1355625779 dns-tcp-responses-sent-ipv4: 274678035 dns-tcp-responses-sent-ipv6: 62636580