--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9250158352 dns-udp-queries-received-ipv6: 1317709581 dns-tcp-queries-received-ipv4: 772980964 dns-tcp-queries-received-ipv6: 140045212 dns-udp-responses-sent-ipv4: 8448913318 dns-udp-responses-sent-ipv6: 1281508246 dns-tcp-responses-sent-ipv4: 563437320 dns-tcp-responses-sent-ipv6: 124765939