--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6827582551 dns-udp-queries-received-ipv6: 1392096797 dns-tcp-queries-received-ipv4: 621213182 dns-tcp-queries-received-ipv6: 104748379 dns-udp-responses-sent-ipv4: 6258683355 dns-udp-responses-sent-ipv6: 1382186873 dns-tcp-responses-sent-ipv4: 418464061 dns-tcp-responses-sent-ipv6: 101271617