--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6069431197 dns-udp-queries-received-ipv6: 1415095546 dns-tcp-queries-received-ipv4: 455532010 dns-tcp-queries-received-ipv6: 129449603 dns-udp-responses-sent-ipv4: 5687460379 dns-udp-responses-sent-ipv6: 1405728236 dns-tcp-responses-sent-ipv4: 335480139 dns-tcp-responses-sent-ipv6: 132967431