--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3731150097 dns-udp-queries-received-ipv6: 375509047 dns-tcp-queries-received-ipv4: 152460844 dns-tcp-queries-received-ipv6: 7132019 dns-udp-responses-sent-ipv4: 3699346188 dns-udp-responses-sent-ipv6: 372355087 dns-tcp-responses-sent-ipv4: 151537403 dns-tcp-responses-sent-ipv6: 7184226