--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7661275640 dns-udp-queries-received-ipv6: 1689353830 dns-tcp-queries-received-ipv4: 494120769 dns-tcp-queries-received-ipv6: 263585917 dns-udp-responses-sent-ipv4: 7238299834 dns-udp-responses-sent-ipv6: 1465032430 dns-tcp-responses-sent-ipv4: 359958321 dns-tcp-responses-sent-ipv6: 153432854