--- version: rssac002v3 service: b.root-servers.net start-period: 2018-07-29T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2825881143 dns-udp-queries-received-ipv6: 358555257 dns-tcp-queries-received-ipv4: 113796349 dns-tcp-queries-received-ipv6: 15298964 dns-udp-responses-sent-ipv4: 2748655406 dns-udp-responses-sent-ipv6: 358282175 dns-tcp-responses-sent-ipv4: 113794432 dns-tcp-responses-sent-ipv6: 15306866