--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7276968381 dns-udp-queries-received-ipv6: 1522782681 dns-tcp-queries-received-ipv4: 638799242 dns-tcp-queries-received-ipv6: 108866831 dns-udp-responses-sent-ipv4: 6712703584 dns-udp-responses-sent-ipv6: 1509531817 dns-tcp-responses-sent-ipv4: 442101782 dns-tcp-responses-sent-ipv6: 104674799