--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9307360380 dns-udp-queries-received-ipv6: 1567785128 dns-tcp-queries-received-ipv4: 815238823 dns-tcp-queries-received-ipv6: 198683884 dns-udp-responses-sent-ipv4: 8499067491 dns-udp-responses-sent-ipv6: 1506994438 dns-tcp-responses-sent-ipv4: 568741461 dns-tcp-responses-sent-ipv6: 175551966