--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6849599451 dns-udp-queries-received-ipv6: 1340768349 dns-tcp-queries-received-ipv4: 610255451 dns-tcp-queries-received-ipv6: 109624678 dns-udp-responses-sent-ipv4: 6284067760 dns-udp-responses-sent-ipv6: 1329179740 dns-tcp-responses-sent-ipv4: 413095115 dns-tcp-responses-sent-ipv6: 105556600