--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8980658773 dns-udp-queries-received-ipv6: 1342173067 dns-tcp-queries-received-ipv4: 694394385 dns-tcp-queries-received-ipv6: 117483373 dns-udp-responses-sent-ipv4: 8161627577 dns-udp-responses-sent-ipv6: 1265677486 dns-tcp-responses-sent-ipv4: 491395776 dns-tcp-responses-sent-ipv6: 99058608