--- version: rssac002v3 service: j.root-servers.net start-period: '2021-07-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6664705945 dns-udp-queries-received-ipv6: 1424667150 dns-tcp-queries-received-ipv4: 585117053 dns-tcp-queries-received-ipv6: 113561915 dns-udp-responses-sent-ipv4: 6174745745 dns-udp-responses-sent-ipv6: 1421338925 dns-tcp-responses-sent-ipv4: 412973798 dns-tcp-responses-sent-ipv6: 113591520