--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6437563052 dns-udp-queries-received-ipv6: 1375663168 dns-tcp-queries-received-ipv4: 543630805 dns-tcp-queries-received-ipv6: 109907281 dns-udp-responses-sent-ipv4: 5955807692 dns-udp-responses-sent-ipv6: 1348525169 dns-tcp-responses-sent-ipv4: 394409568 dns-tcp-responses-sent-ipv6: 103062261