--- version: rssac002v3 service: b.root-servers.net start-period: 2019-07-05T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 3506344023 dns-udp-queries-received-ipv6: 526670315 dns-tcp-queries-received-ipv4: 246358841 dns-tcp-queries-received-ipv6: 28402506 dns-udp-responses-sent-ipv4: 3233145077 dns-udp-responses-sent-ipv6: 526135802 dns-tcp-responses-sent-ipv4: 246338847 dns-tcp-responses-sent-ipv6: 28419211