--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7949642109 dns-udp-queries-received-ipv6: 1663700567 dns-tcp-queries-received-ipv4: 673840548 dns-tcp-queries-received-ipv6: 128958066 dns-udp-responses-sent-ipv4: 7210216671 dns-udp-responses-sent-ipv6: 1620577742 dns-tcp-responses-sent-ipv4: 464056320 dns-tcp-responses-sent-ipv6: 113091757