--- version: rssac002v3 service: j.root-servers.net start-period: '2021-10-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5438134929 dns-udp-queries-received-ipv6: 1091916749 dns-tcp-queries-received-ipv4: 431793477 dns-tcp-queries-received-ipv6: 77986389 dns-udp-responses-sent-ipv4: 5052911023 dns-udp-responses-sent-ipv6: 1080930888 dns-tcp-responses-sent-ipv4: 303679606 dns-tcp-responses-sent-ipv6: 77464383