--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6060677807 dns-udp-queries-received-ipv6: 1390283375 dns-tcp-queries-received-ipv4: 412545823 dns-tcp-queries-received-ipv6: 107733383 dns-udp-responses-sent-ipv4: 5703140115 dns-udp-responses-sent-ipv6: 1380315173 dns-tcp-responses-sent-ipv4: 312959643 dns-tcp-responses-sent-ipv6: 105760409