--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4639981063 dns-udp-queries-received-ipv6: 721814719 dns-tcp-queries-received-ipv4: 142277733 dns-tcp-queries-received-ipv6: 36277207 dns-udp-responses-sent-ipv4: 4530310517 dns-udp-responses-sent-ipv6: 721293489 dns-tcp-responses-sent-ipv4: 138945114 dns-tcp-responses-sent-ipv6: 36519383