--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9636028256 dns-udp-queries-received-ipv6: 1325928702 dns-tcp-queries-received-ipv4: 773095590 dns-tcp-queries-received-ipv6: 123841717 dns-udp-responses-sent-ipv4: 8902413936 dns-udp-responses-sent-ipv6: 1314103588 dns-tcp-responses-sent-ipv4: 563361229 dns-tcp-responses-sent-ipv6: 122988669