--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7916762585 dns-udp-queries-received-ipv6: 1390590304 dns-tcp-queries-received-ipv4: 790411844 dns-tcp-queries-received-ipv6: 101674194 dns-udp-responses-sent-ipv4: 7073422846 dns-udp-responses-sent-ipv6: 1376975433 dns-tcp-responses-sent-ipv4: 522534741 dns-tcp-responses-sent-ipv6: 97462459