--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8296226747 dns-udp-queries-received-ipv6: 1780057044 dns-tcp-queries-received-ipv4: 798231490 dns-tcp-queries-received-ipv6: 257393800 dns-udp-responses-sent-ipv4: 7488995902 dns-udp-responses-sent-ipv6: 1556117458 dns-tcp-responses-sent-ipv4: 510317153 dns-tcp-responses-sent-ipv6: 148398915