--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9558782848 dns-udp-queries-received-ipv6: 1232395869 dns-tcp-queries-received-ipv4: 744375580 dns-tcp-queries-received-ipv6: 95563823 dns-udp-responses-sent-ipv4: 8847568181 dns-udp-responses-sent-ipv6: 1222058155 dns-tcp-responses-sent-ipv4: 540832646 dns-tcp-responses-sent-ipv6: 95097154