--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5975600287 dns-udp-queries-received-ipv6: 1426908612 dns-tcp-queries-received-ipv4: 461797518 dns-tcp-queries-received-ipv6: 169507486 dns-udp-responses-sent-ipv4: 5619544396 dns-udp-responses-sent-ipv6: 1412913496 dns-tcp-responses-sent-ipv4: 349759813 dns-tcp-responses-sent-ipv6: 182855513