--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3132878349 dns-udp-queries-received-ipv6: 332687053 dns-tcp-queries-received-ipv4: 156585508 dns-tcp-queries-received-ipv6: 9397188 dns-udp-responses-sent-ipv4: 3129818133 dns-udp-responses-sent-ipv6: 332641111 dns-tcp-responses-sent-ipv4: 156437198 dns-tcp-responses-sent-ipv6: 9474387