--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5799408751 dns-udp-queries-received-ipv6: 1207367195 dns-tcp-queries-received-ipv4: 546169763 dns-tcp-queries-received-ipv6: 94732728 dns-udp-responses-sent-ipv4: 5292542863 dns-udp-responses-sent-ipv6: 1201563325 dns-tcp-responses-sent-ipv4: 386475906 dns-tcp-responses-sent-ipv6: 93876904